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JEE Definite Integration PYQs with Solutions

692 previous year questions from Definite Integration (JEE Main & Advanced Mathematics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

692 questionsMathematics2006–2026Answers + solutions

About Definite Integration PYQs

Definite Integration has 692 previous year questions in the Quantrex Academy JEE Main & Advanced Mathematics bank. The 220 questions in this list come from JEE Main (168) and JEE Advanced (52), spanning 2006 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 31
  • 2025: 23
  • 2024: 37
  • 2023: 39
  • 2022: 42
  • 2021: 8
  • 2020: 2
  • 2019: 2
  • 2018: 2
  • 2017: 3
  • 2016: 1
  • 2015: 7

Definite Integration questions with solutions

1

The value of the definite integral ∫_ 0 ^ 2 1 3^ (x+3)/(2) \, dx is

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2

The value of the integral ∫_ 0 ^ 2 x(x^2+x+1) ( x+1 )( x^4+x^2+1 ) \, dx is equal to:

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3

If ∫_ π/6 ^ π/4 ( (x-(π)/(3)) (x+(π)/(3))+1)dx = α _e( 3 -1) , then 9α^2 is equal to ________.

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4

Let A = bmatrix 1 & 3 & -1 2 & 1 & α 0 & 1 & -1 bmatrix be a singular matrix. Let f(x) = ∫ _0^x (t^2 + 2t + 3)\,dt , x ∈ [1, α] . If M and m are respectively the maximum and the

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5

Let f: ℝ arrow ℝ be such that f(xy) = f(x)f(y) , for all x, y ∈ ℝ and f(0) ≠ 0 . Let g: [1, ∞) arrow ℝ be a differentiable function such that x^2 g(x) = ∫ _1^x (t^2 f(t)

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6

The value of the integral ∫ _ -1 ^ 1 ((x^3 + |x| + 1)/(x^2 + 2|x| + 1)) dx is equal to :

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7

The value of the integral ∫_ -π/4 ^ π/4 ( 32 ^4 x 1 + e^ x )dx is:

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8

Let (2^ 1-a + 2^ 1+a ) , f(a) , (3^a + 3^ -a ) be in A.P. and α be the minimum value of f(a) . Then the value of the integral ∫_ _e(α-1) ^ _e(α) dx (e^ 2x - e^ -2x ) is :

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9

Let f: [1, ∞) arrow R be a differentiable function defined as f(x) = ∫_1^x f(t)\,dt + (1-x)( _e x - 1) + e . Then the value of f(f(1)) is :

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10

The value of the integral ∫_0^∞ ( _e(x))/(x^2 + 4)\,dx is:

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11

The value of the integral ∫_ π/6 ^ π/3 ((4 - ^2 x)/( ^4 x)) dx is:

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12

The integral ∫_ 0 ^ 1 ^ -1 (1+x+x^2)dx is equal to:

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13

Let f be a twice differentiable function such that f(x)=∫_ 0 ^ x (t-x)dt-∫_ 0 ^ x f(t) t\,dt , x ∈ (-(π)/(2),(π)/(2)) . Then f''((π)/(6))+12f'(-(π)/(6))+f((π)/(6)) is equal to

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14

Let ∫_ -2 ^ 2 (| x| + [x x])\,dx = 2(3 - 2) + β , where [·] is the greatest integer function. Then β ((β)/(2)) equals:

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15

The value of ∫_0^ 20π ( ^4 x + ^4 x) \, dx is equal to:

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16

Let [·] denote the greatest integer function. Then the value of ∫_0^3 ( e^x + e^ -x [x]! ) dx is :

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17

If α = ∫_0^ 2 3 _2(x^2 + 4)\,dx + ∫_2^4 2^x - 4 \,dx , then α^2 is equal to _______.

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18

Let [·] denote the greatest integer function. Then ∫_ -(π)/(2) ^ (π)/(2) ((12(3+[x]))/(3+[ x]+[ x])) d x is equal to :

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19

Let f be a polynomial function such that f(x^ 2 +1)=x^ 4 +5 x^ 2 +2 , for all x ∈ ℝ . Then ∫_ 0 ^ 3 f(x) d x is equal to

JEE Main 2026 Solution
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20

If ∫( 1-5 ^ 2 x ^ 5 x ^ 2 x ) d x=f(x)+C , where C is the constant of integration, then f((π)/(6))-f((π)/(4)) is equal to

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21

The value of ∑_ r=1 ^ 20 (| π(∫_ 0 ^ r x| π x| d x) |) is \_\_\_\_

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22

If f(x) satisfies the relation f(x)=e^ x +∫_ 0 ^ 1 (y+x e^ x ) f(y) d y , then e+f(0) is equal to \_\_\_\_ .

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23

Let a differentiable function f satisfy the equation ∫_ 0 ^ 36 f((t x)/(36)) d t=4 α f(x) . If y=f(x) is a standard parabola passing through the points (2,1) and (-4, β) , then β^

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24

The number of elements in the set S=\ x: x ∈[0,100]. and .∫_ 0 ^ x t^ 2 (x-t) d t=x^ 2 \ is \_\_\_\_ .

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25

The value of the integral ∫_ (π)/(24) ^ (5 π)/(24) ~d x 1+ [3] 2 x is :

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26

Let f(x)=[x]^ 2 -[x+3]-3, x ∈ R , where [] is the greatest integer funtion. Then

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27

Let [·] be the greatest integer function. If α=∫_ 0 ^ 64 (x^ 1 / 3 -[x^ 1 / 3 ]) d x , then (1)/(π) ∫_ 0 ^ α π ( ^ 2 θ ^ 6 θ+ ^ 6 θ ) d θ is equal to \_\_\_\_ .

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28

The value of ∫_ -(π)/(2) ^ (π)/(2) ((1)/([x]+4)) d x , where [·] denotes the greatest integer function, is

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29

If ∫_ 0 ^ 1 4 ^ -1 (1-2 x+4 x^ 2 ) d x=atan^ -1 (2)-blog_ e (5) , where a, b ∈ N , then (2 a+b) is equal to \_\_\_\_ .

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30

The value of ∫_ -π / 6 ^ π / 6 ( π+4 x^ 11 1- (|x|+π / 6) ) d x is equal to:

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31

6 ∫_ 0 ^ π |( 3 x+ 2 x+ x)| d x is equal to \_\_\_\_ .

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32

If α=∫_ (1)/(2) ^2 ^ -1 x 2 x^2-3 x+2 d x then the value of 7 ( 2 α 7 π ) is ____________. (Here, the inverse trigonometric function ^ -1 x assumes values in (-(π)/(2), (π)/(2)) .)

JEE Advanced 2025 Solution
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33

Let f(x) be a positive function and I_1=∫_ -(1)/(2) ^1 2 x f(2 x(1-2 x)) d x and I_2=∫_ -1 ^2 f(x(1-x)) d x . Then the value of (I_2)/(I_1) is equal to ________

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34

The integral ∫_ -1 ^ (3)/(2) (|π^2 x (π x)|) d x is equal to:

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35

The integral ∫_0^π ((x+3) x)/(1+3 ^2 x) d x is equal to :

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36

The value of ∫_ -1 ^1 (1+ |x|-x ) e^x+( |x|-x ) e^ -x e^x+e^ -x d x is equal to

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37

The integral ∫_0^π (8 x d x)/(4 ^2 x+ ^2 x) is equal to

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38

Let the domain of the function f(x)= _2 _4 _6(3+4 x-x^2) be (a, ~b) . If ∫_0^ b-a [x^2] dx=p- q - r , p, q, r ∈ ℕ, gcd(p, q, r)=1, where [ ·] is the greatest integer function

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39

Let (a, b) be the point of intersection of the curve x^2=2 y and the straight line y-2 x-6=0 in the second quadrant. Then the integral I=∫_a^b (9 x^2)/(1+5^x) d x is equal to :

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40

4 ∫_0^1( 1 3+x^2 + 1+x^2 ) d x-3 _e( 3 ) is equal to :

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41

Let [.] denote the greatest integer function. If ∫_0^ e^3 [ 1 e^ x-1 ] dx=α- _ e 2 , then α^3 is equal to _______ .

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42

Let f(x)=∫_0^t t(t^2-9 t+20) d t, 1 ≤ x ≤ 5 . If the range of f is [α, β] , then 4(α+β) equals :

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43

If 24 ∫_0^ (π)/(4) ( |4 x-(π)/(12)|+[2 x]) d x=2 π+α , where [·] denotes the greatest integer function, then α is equal to _______.

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44

The integral \(80 ∫_0^ (π)/(4) (( θ+ θ)/(9+16 2 θ)) d θ\) is equal to :

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45

Let \(f:(0, ∞) arrow R be a twice differentiable function. If for some \( a ≠ 0, ∫_0^1 f(λ x) d λ=a f(x), f(1)=1\) and \(f(16)= (1)/(8) , then \(16-f^ ((1)/(16)) is equal to

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46

Let f be a real valued continuous function defined on the positive real axis such that g(x)=∫_0^x t f(t) dt . If g(x^3)=x^6+x^7 , then value of ∑_ r=1 ^ 15 f(r^3) is :

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47

Let f: R arrow R be a twice differentiable function such that f(2)=1 . If F(x)=x f(x) for all x ∈ R , ∫_0^2 x ~F^ (x) d x=6 and ∫_0^2 x^2 ~F^ (x) d x=40 , then F^ (2)+∫_0^2 ~F(x)

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48

Let for some function y=f(x), ∫_0^x t f(t) d t=x^2 f(x), x 0 and f(2)=3 . Then f(6) is equal to

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49

If ∫_ -(π)/(2) ^ (π)/(2) (96 x^2 ^2 x)/((1+e^x)) d x=π(α π^2+β), α, β ∈ ℤ , then (α+β)^2 equals

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50

IfI(m, n)=∫_0^1 x^ m-1 (1-x)^ n-1 d x, m, n 0 , then I(9,14)+I(10,13) is

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51

If I=∫_0^ (π)/(2) ^ (3)/(2) x ^ (3)/(2) x+ ^ (3)/(2) x ~d x , then ∫_0^ 21 (x x x)/( ^4 x+ ^4 x) ~d x equals :

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52

The value of ∫_ e^2 ^ e^4 (1)/(x)( e^ (( _e x)^2+1)^ -1 e^ (( _e x)^2+1)^ -1 +e^ ((6- _e x)^2+1)^ -1 ) d x is

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53

Let f(x)=∫_0^ x^2 t^2-8 t+15 e^ t dt, x ∈ R . Then the numbers of local maximum and local minimum points of f , respectively, are :

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54

Let for f(x)=7 ^8 x+7 ^6 x-3 ^4 x-3 ^2 x, I_1=∫_0^ π / 4 f(x) d x and I_2=∫_0^ π / 4 x f(x) d x . Then 7 I_1+12 I_2 is equal to :

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55

Paragraph: Let \(f: [ 0, (π)/(2)] arrow[ 0,1]\) be the function defined by \(f(x)= ^2 x\) and let \(g: [ 0, (π)/(2)] arrow[ 0, ∞) \) be the function defined by \(g(x)= (π

JEE Advanced 2024 Solution
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56

Let \(f: [ 0, (π)/(2)] arrow[ 0,1]\) be the function defined by \(f(x)= ^2 x\) and let \(g: [ 0, (π)/(2)] arrow[ 0, ∞) \) be the function defined by \(g(x)= (π x)/(2)-x^2 \). The

JEE Advanced 2024 Solution
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57

Let ∫_0^x 1-(y^ (t))^2 d t=∫_0^x y(t) d t, 0 ≤ x ≤ 3, y ≥ 0, y(0)=0 . Then at x=2, y^ +y+1 is equal to

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58

The value of the integral ∫_ -1 ^2 _e(x+ x^2+1 ) d x is

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59

Let ∫_α^ _e 4 d x e^x-1 =(π)/(6) . Then e^α and e^ -α are the roots of the equation :

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60

The value of k ∈ N for which the integral I_n=∫_0^1(1-x^k)^n d x, n ∈ ℕ , satisfies 147 I_ 20 =148 I_ 21 is

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61

Let [t] denote the largest integer less than or equal to t . If ∫_0^3([x^2]+[(x^2)/(2)]) d x=a+b 2 - 3 - 5 +c 6 - 7 , where a, b, c ∈ Z , then a+b+c is equal to_______

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62

∫_0^ π / 4 ( ^2 x ^2 x)/(( ^3 x+ ^3 x)^2) d x is equal to

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63

Let r_k= ∫_0^1(1-x^7)^k d x ∫_0^1(1-x^7)^ k+1 d x , k ∈ ℕ . Then the value of ∑_ k=1 ^ 10 (1)/(7(r_k-1)) is equal to________

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64

Let β(m, n)=∫_0^1 x^ m-1 (1-x)^ n-1 ~d x, ~m, n>0 . If ∫_0^1(1-x^ 10 )^ 20 ~d x=a × β(b, c) , then 100(a+b+c) equals____

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65

If f(t)=∫_0^π 2 x ~d x 1- ^2 t ^2 x , 0 < t < π , then the value of ∫_0^ (π)/(2) π^2 dt f(t) equals_________

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66

The value of ∫_ -π ^π (2 y(1+ y))/(1+ ^2 y) d y is :

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67

The integral ∫_0^ π / 4 (136 x)/(3 x+5 x) d x is equal to :

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68

If the value of the integral ∫_ -1 ^1 ( α x)/(1+3^x) d x is (2)/(π) . Then, a value of α is

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69

Let f(x)=\ array lr -2, & -2 ≤ x ≤ 0 x-2, & 0 < x ≤ 2 array . and h(x)=f(|x|)+|f(x)| . Then ∫_ -2 ^2 h(x) d x is equal to :

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70

If ∫_0^ (π)/(4) ( ^2 x)/(1+ x x) ~d x= 1 a _ e ( a 3 )+ π b 3 , where a, b ∈ N , then a+b is equal to_________

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71

The value of ∫ _ 0 ^ 1 (2 x ^ 3 - 3 x ^ 2 - x + 1)(1)/(3)dx is equal to:

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72

If ∫ _ 0 ^ (π)/(3) ^ 4 xdx = aπ + b 3 , where a and b are rational numbers, then 9a + 8b is equal to:

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73

Let f: (0, ∞) → R and F(x) = ∫ _ 0 ^ x tf(t)dt . If F( x ^ 2 ) = x ^ 4 + x ^ 5 , then ∑ _ r = 1 ^ 12 f( r ^ 2 ) is equal to:

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74

The value of the integral ∫ _ 0 ^ (π)/(4) xdx ^ 4 (2x) + ^ 4 (2x) equals:

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75

If ∫ _ - π / 2 ^ π / 2 8 2 cosxdx (1 + e ^ sinx )(1 + ^ 4 x) = απ + β _ e (3 + 2 2 ) , where α, β are integers, then α ^ 2 + β ^ 2 equals __________

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76

Let f, g: (0, ∞) → R be two functions defined by f(x) = ∫ _ - x ^ x (|t| - t ^ 2 ) e ^ - t ^ 2 dt and g(x) = ∫ _ 0 ^ x ^ 2 t(1)/(2) e ^ - t ^ 2 dt . Then the value of 9(f( _ e 9 +

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77

| 120 π ^ 3 ∫ _ 0 ^ π x ^ 2 sinxcosx ^ 4 x + ^ 4 x dx| is equal to ______.

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78

Let f: ℝ → ℝ be a function defined by f(x) = 4 ^ x 4 ^ x + 2 and M = ∫ _ f(a) ^ f(1 - a) x ^ 4 (x(1 - x))dx , N = ∫ _ f(a) ^ f(1 - a) ^ 4 (x(1 - x))dx; a ≠ (1)/(2) . If = , α, β ∈

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79

Let S = (- 1, ∞) and f: S → ℝ be defined as f(x) = ∫ _ - 1 ^ x ( e ^ t - 1) ^ 11 (2t - 1) ^ 5 (t - 2) ^ 7 (t - 3) ^ 12 (2t - 10) ^ 61 dt . Let p = Sum of square of the values of x

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80

If the integral 525 ∫ _ 0 ^ (π)/(2) sin2xcos(11)/(2)x(1 + cos(5)/(2)x)(1)/(2)dx is equal to (n 2 - 64) , then n is equal to ________

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81

Let y = f ( x ) be a thrice differentiable function in ( - 5, 5 ) . Let the tangents to the curve y = f ( x ) at ( 1, f ( 1 ) ) and ( 3, f ( 3 ) ) make angles (π)/(6) and (π)/(4)

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82

Let f: R → R be defined f(x) = a e ^ 2x + b e ^ x + cx . If f ( 0 ) = - 1, f ^ ' ( _ e 2) = 21 and ∫ _ 0 ^ log4 (f(x) - cx)dx = (39)/(2) , then the value of | a + b + c | equals:

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83

The value 9 ∫ _ 0 ^ 9 [ (10x)/(x + 1) ]dx , where t denotes the greatest integer less than or equal to t , is _____.

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84

The value of _ n → ∞ ∑ _ k = 1 ^ n n ^ 3 ( n ^ 2 + k ^ 2 )( n ^ 2 + 3 k ^ 2 ) is :

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85

If ∫ _ (π)/(6) ^ (π)/(3) 1 - sin2x dx = α + β 2 + γ 3 , where α, β and γ are rational numbers, then 3α + 4β - γ is equal to _____.

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86

If the value of the integral ∫ _ - (π)/(2) ^ (π)/(2) ( x ^ 2 cosx 1 + π ^ x + 1 + ^ 2 x 1 + e ^ (sinx) ^ 2023 )dx = (π)/(4)(π + a) - 2, then the value of a is

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87

For x ∈ (- (π)/(2), (π)/(2)) , if y(x) = ∫ cosec x + sinx cosec xsecx + tanx ^ 2 x dx and _ x → ((π)/(2)) ^ - y(x) = 0 then y((π)/(4)) is equal to

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88

For 0 < a < 1 , the value of the integral ∫ _ 0 ^ π dx 1 - 2acosx + a ^ 2 is :

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89

Let f(x) = ∫ _ 0 ^ x g(t) _ e ((1 - t)/(1 + t))dt , where g is a continuous odd function. If ∫ _ - (π)/(2) ^ (π)/(2) (f(x) + x ^ 2 cosx 1 + e ^ x )dx = ((π)/(α)) ^ 2 - α , then α

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90

If ∫ _ 0 ^ 1 1 3 + x + 1 + x dx = a + b 2 + c 3 , where a, b, c are rational numbers, then 2a + 3b - 4c is equal to :

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91

If ( a, b ) be the orthocentre of the triangle whose vertices are ( 1, 2 ) , ( 2, 3 ) and ( 3, 1 ) , and I _ 1 = ∫ _ a ^ b xsin(4x - x ^ 2 )dx, I _ 2 = ∫ _ a ^ b sin(4x - x ^ 2

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92

For x ∈ ℝ , let ^ - 1 (x) ∈ (- (π)/(2), (π)/(2)) . Then the minimum value of the function f: ℝ → ℝ defined by f(x) = ∫ _ 0 ^ x ^ - 1 x e ^ (t - cost) 1 + t ^ 2023 dt is

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93

If ∫ _ 0 ^ 1 1 (5 + 2x - 2 x ^ 2 )(1 + e ^ (2 - 4x) ) dx = (1)/(α) _ e ((α + 1)/(β)), α, β > 0 , then α ^ 4 - β ^ 4 is equal to

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94

The value of e ^ - (π)/(4) + ∫ _ 0 ^ (π)/(4) e ^ - x tan ^ 50 xdx ∫ _ 0 ^ (π)/(4) e ^ - x ( ^ 49 x + ^ 51 x ) dx

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95

Let f _ n = ∫ _ 0 ^ (π)/(2) ( ∑ _ k = 1 ^ n ^ k - 1 x)( ∑ _ k = 1 ^ n ( 2k - 1 ) ^ k - 1 x)cosxdx, n ∈ ℕ . Then f _ 21 - f _ 20 is equal to

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96

Among (S1): _ n → ∞ 1 n ^ 2 ( 2 + 4 + 6 + … + 2n ) = 1 (S2): _ n → ∞ 1 n ^ 16 ( 1 ^ 15 + 2 ^ 15 + 3 ^ 15 + … + n ^ 15 ) = (1)/(16)

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97

Let for x ∈ ℝ, S _ 0 (x) = x, S _ k (x) = C _ k x + k ∫ _ 0 ^ x S _ k - 1 (t)dt where C _ 0 = 1, C _ k = 1 - ∫ _ 0 ^ 1 S _ k - 1 (x)dx, k = 1, 2, 3, … Then S _ 2 (3) + 6 C _ 3 is

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98

If ∫ _ - 0 . 15 ^ 0 . 15 |100 x ^ 2 - 1|dx = (k)/(3000), then k is equal to _____.

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99

Let the function f: [0, 2] → ℝ be defined as f(x) = \ cases e ^ min\ x ^ 2 , x - [x]\ , & x ∈ [ 0, 1 ) e ^ [x - _ e x] , & x ∈ [1, 2] cases ), where [t] denotes the greatest

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100

If f: ℝ → ℝ be a continuous function satisfying ∫ _ 0 ^ (π)/(2) f(sin2x)sinxdx + α ∫ _ 0 ^ (π)/(4) f(cos2x)cosxdx = 0 , then the value of α is

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101

The value of the integral ∫ _ - _ e 2 ^ _ e 2 e ^ x ( _ e ( e ^ x + 1 + e ^ 2x ))dx is equal to

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102

For m, n > 0 , let α(m, n) = ∫ _ 0 ^ 2 t ^ m (1 + 3t) ^ n dt . If , 11α(10, 6) + 18α(11, 5) = p (14) ^ 6 , then p is equal to

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103

Let f be a continuous function satisfying ∫ _ 0 ^ t ^ 2 (f ( x ) + x ^ 2 )dx = (4)/(3) t ^ 3 , ∀ t > 0 . Then f( π ^ 2 4 ) is equal to

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104

Let [ t ] denote the greatest integer function. If ∫ _ 0 ^ 2 . 4 [ x ^ 2 ]dx = α + β 2 + γ 3 + δ 5 , thenα + β + γ + δ is equal to

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105

Let [ t ] denote the greatest integer ≤ t . Then (2)/(π) ∫ _ (π)/(6) ^ (5π)/(6) (8[cosecx] - 5[cotx])dx is equal to _______

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106

Let f(x) be a function satisfying f(x) + f(π - x) = π ^ 2 , ∀ x ∈ ℝ . Then ∫ _ 0 ^ π f(x)sinxdx is equal to

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107

Let f(x) = x (1 + x ^ n ) ^ (1)/(n) , x ∈ ℝ - \ - 1\ , n ∈ ℕ, n > 2 . If f ^ n (x) = ( fofof . . . . upto n times) (x) , then _ n → ∞ ∫ _ 0 ^ 1 x ^ n - 2 ( f ^ n (x))dx is equal to

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108

The value of the integral ∫ _ - (π)/(4) ^ (π)/(4) (x + (π)/(4))/(2 - cos2x)dx is :

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109

If ∫ _ 0 ^ π 5 ^ cosx (1 + cosxcos3x + ^ 2 x + ^ 3 xcos3x)dx 1 + 5 ^ cosx = (kπ)/(16) , then k is equal to _____ .

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110

_ n → ∞ ((1)/(1 + n) + (1)/(2 + n) + (1)/(3 + n) + … + (1)/(2n)) is equal to :-

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111

If ∫ _ 0 ^ 1 ( x ^ 21 + x ^ 14 + x ^ 7 ) (2 x ^ 14 + 3 x ^ 7 + 6) ^ 1 / 7 dx = (1)/(l) (11) ^ m / n where l, m, n ∈ N, m and n are co-prime then l + m + n is equal to _____ .

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112

Let α > 0 . If ∫ _ 0 ^ α x x + α - x dx = 16 + 20 2 15 then α is equal to :

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113

If ϕ ( x ) = 1 x ∫ _ (π)/(4) ^ x (4 2 sint - 3 ϕ ^ ' ( t ))dt, x > 0 then ϕ ^ ' ((π)/(4)) is equal to

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114

Let α ∈ (0, 1) and β = _ e (1 - α) . Let P _ n (x) = x + x ^ 2 2 + x ^ 3 3 + … . + x ^ n n , x ∈ (0, 1) . Then the integral ∫ _ 0 ^ α t ^ 50 1 - t dt is equal to

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115

The value of ∫ _ (π)/(3) ^ (π)/(2) ((2 + 3sinx))/(sinx(1 + cosx))dx is equal to

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116

Let a differentiable function f satisfy f(x) + ∫ _ 3 ^ x (f(t))/(t)dt = x + 1 , x ≥ 3 . Then 12f(8) is equal to:

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117

_ n → ∞ (3)/(n)\ 4 + (2 + (1)/(n)) ^ 2 + (2 + (2)/(n)) ^ 2 + … + (3 - (1)/(n)) ^ 2 \ is equal to

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118

If [ t denotes the greatest integer ≤ 1 , then the value of (3(e - 1))/(e) ∫ _ 1 ^ 2 x ^ 2 e ^ [x] + [ x ^ 3 ] dx is :

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119

_ x → 0 48 x ^ 4 ∫ _ 0 ^ x t ^ 3 t ^ 6 + 1 dt is equal to

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120

The value of the integral ∫ _ 1 ^ 2 ( t ^ 4 + 1 t ^ 6 + 1 )dt is :

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121

The value of the integral ∫ _ 1 / 2 ^ 2 ^ - 1 x x dx is equal to

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122

Let f(x) = x + a π ^ 2 - 4 sinx + b π ^ 2 - 4 cosx , x ∈ ℝ be a function which satisfies f(x) = x + ∫ _ 0 ^ π / 2 sin(x + y)f(y)dy . Then (a + b) is equal to

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123

Let [x] denote the greatest integer ≤ x . Consider the function f ( x ) = max\ x ^ 2 , 1 + [ x ]\ . Then the value of the integral ∫ _ 0 ^ 2 f ( x ) dx is :

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124

The integral 16 ∫ _ 1 ^ 2 dx x ^ 3 ( x ^ 2 + 2) ^ 2 is equal to

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125

If ∫ _ (1)/(3) ^ 3 | _ e x|dx = (m)/(n) _ e ( n ^ 2 e ) , where m and n are coprime natural numbers, then m ^ 2 + n ^ 2 - 5 is equal to _____ .

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126

The minimum value of the function f(x) = ∫ _ 0 ^ 2 e ^ |x - t| dt is

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127

∫ _ 3 2 4 ^ 3 3 4 48 9 - 4 x ^ 2 dx is equal to

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128

Let f be a differentiable function defined on [0, (π)/(2)] such that f(x) > 0 and f(x) + ∫ _ 0 ^ x f(t) 1 - ( _ e (f(t))) ^ 2 dt = e ∀ x ∈ [0, (π)/(2)] , then \ 6 _ e

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129

The value of (8)/(π) ∫ _ 0 ^ (π)/(2) (cosx) ^ 2023 (sinx) ^ 2023 + (cosx) ^ 2023 dx is ______.

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130

The value of 12 ∫ _ 0 ^ 3 | x ^ 2 - 3x + 2|dx is ______

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131

The greatest integer less than or equal to ∫ _ 1 ^ 2 _ 2 ( x ^ 3 + 1)dx + ∫ _ 1 ^ _ 2 9 ( 2 ^ x - 1)(1)/(3)dx is

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132

For positive integer n , define f(n) = n + 16 + 5n - 3 n ^ 2 4n + 3 n ^ 2 + 32 + n - 3 n ^ 2 8n + 3 n ^ 2 + 48 - 3n - 3 n ^ 2 12n + 3 n ^ 2 + … + 25n - 7 n ^ 2 7 n ^ 2 . Then, the

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133

Consider the equation ∫ _ 1 ^ e ( _ e x) ^ (1)/(2) x (a - ( _ e x) ^ (3)/(2) ) ^ 2 dx = 1, a ∈ (- ∞ , 0) ∪ (1, ∞) . Which of the following statements is/are TRUE?

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134

If [t] denotes the greatest integer ≤ t , then the value of ∫ _ 0 ^ 1 [2x - |3 x ^ 2 - 5x + 2| + 1]dx is

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135

The integral ∫ _ 0 ^ (π)/(2) (1)/(3 + 2sinx + cosx)dx is equal to:

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136

If f(α) = ∫ _ 1 ^ α _ 10 t 1 + t dt, α > 0 , then f( e ^ 3 ) + f( e ^ - 3 ) is equal to

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137

Let I _ n (x) = ∫ _ 0 ^ x 1 ( t ^ 2 + 5) ^ n dt, n = 1, 2, 3, … . Then

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138

The value of the integral ∫ _ 0 ^ (π)/(2) 60(sin(6x))/(sinx)dx is equal to

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139

The minimum value of the twice differentiable function f(x) = ∫ _ 0 ^ x e ^ x - t f ^ ' (t)dt - ( x ^ 2 - x + 1) e ^ x , x ∈ R , is

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140

If ∫ _ 0 ^ 3 15 x ^ 3 1 + x ^ 2 + (1 + x ^ 2 ) ^ 3 dx = α 2 + β 3 , where α, β are integers, then α + β is equal to

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141

∫ _ 0 ^ 2 (|2 x ^ 2 - 3x| + [x - (1)/(2)])dx , where [t] is the greatest integer function, is equal to

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142

Let f(x) = min\ [x - 1], [x - 2], … , [x - 10]\ where [t] denotes the greatest integer ≤ t . Then ∫ _ 0 ^ 10 f(x)dx + ∫ _ 0 ^ 10 (f(x)) ^ 2 dx + ∫ _ 0 ^ 10 |f(x)|dx is equal

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143

Let f be a differentiable function satisfying f(x) = 2 3 ∫ _ 0 ^ 3 f( λ ^ 2 x 3 )dλ, x > 0 and f(1) = 3 . If y = f(x) passes through the point (α, 6) , then α is equal to _______.

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144

I = ∫ _ (π)/(4) ^ (π)/(3) ((8sinx - sin2x)/(x))dx . Then

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145

∫ _ 0 ^ 20π (|sinx| + |cosx|) ^ 2 dx is equal to:

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146

If a = _ n → ∞ ∑ _ k = 1 ^ n 2n n ^ 2 + k ^ 2 and f(x) = (1 - cosx)/(1 + cosx) , x ∈ (0, 1) , then:

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147

If n(2n + 1) ∫ _ 0 ^ 1 (1 - x ^ n ) ^ 2n dx = 1177 ∫ _ 0 ^ 1 (1 - x ^ n ) ^ 2n + 1 dx , then n ∈ N is equal to _______.

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148

_ n → ∞ 1 2 ^ n ( 1 1 - 1 2 ^ n + 1 1 - 2 2 ^ n + 1 1 - 3 2 ^ n + … . + 1 1 - 2 ^ n - 1 2 ^ n ) is equal to

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149

Let [t] denote the greatest integer less than or equal to t . Then the value of the integral ∫ _ - 3 ^ 101 ([sin( )] + e ^ [cos(2 )] )dx is equal to

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150

Let f be a twice differentiable function on R . If f ^ ' (0) = 4 and f(x) + ∫ _ 0 ^ x (x - t) f ^ ' (t)dt = ( e ^ 2x + e ^ - 2x )cos2x + (2)/(a)x , then (2a + 1) ^ 5 a ^ 2 is

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151

Let a _ n = ∫ _ - 1 ^ n (1 + (x)/(2) + x ^ 2 3 + … + x ^ n - 1 n )dx for every n ∈ N . Then the sum of all the elements of the set \ n ∈ N: a _ n ∈ (2, 30)\ is _________.

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152

For any real number x , let [x] denote the largest integer less than or equal to x . Let f be a real-valued function defined on the interval [- 10, 10] by f(x) = \ cases x - [x]

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153

If _ n → ∞ (n + 1) ^ k - 1 n ^ k + 1 [( nk + 1 ) + ( nk + 2 ) + … + (nk + n)] = 33 . _ n → ∞ 1 n ^ k + 1 · [ 1 ^ k + 2 ^ k + 3 ^ k + … + n ^ k ] , then the integral value of k is

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154

Let f be a real valued continuous function on [0, 1] and f(x) = x + ∫ _ 0 ^ 1 (x - t)f(t)dt . Then which of the following points (x, y) lies on the curve y = f (x)?

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155

If ∫ _ 0 ^ 2 ( 2x - 2x - x ^ 2 )dx = ∫ _ 0 ^ 1 (1 - 1 - y ^ 2 - y ^ 2 2 )dy + ∫ _ 1 ^ 2 (2 - y ^ 2 2 )dy + I , then I equal to

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156

∫ _ 0 ^ 5 cos(π(x - [(x)/(2)]))dx , where [t] denotes greatest integer less than or equal to t , is equal to

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157

Let f: R → R be a differentiable function such that f((π)/(4)) = 2 , f((π)/(2)) = 0 and f ^ ' ((π)/(2)) = 1 and let g(x) = ∫ _ x ^ (π)/(4) ( f ^ ' (t)sect + tantsectf(t))dt for x

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158

Let f: R → R be continuous function satisfying f(x) + f(x + k) = n , for all x ∈ R where k > 0 and n is a positive integer. If I _ 1 = ∫ _ 0 ^ 4nk f(x)dx and I _ 2 = ∫ _ - k ^ 3k

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159

Let [t] denote the greatest integer less than or equal to t . Then, the value of the integral ∫ _ 0 ^ 1 [- 8 x ^ 2 + 6x - 1]dx is equal to

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160

Let f be a differentiable function in (0, (π)/(2)) . If ∫ _ cosx ^ 1 t ^ 2 f(t)dt = ^ 3 x + cosx , then 1 3 f ^ ' ( 1 3 ) is equal to

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161

The integral ∫ _ 0 ^ 1 1 7 ^ [(1)/(x)] dx , where [·] denotes the greatest integer function, is equal to

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162

The value of the integral ∫ _ - 2 ^ 2 | x ^ 3 + x| ( e ^ x|x| + 1) dx is equal to

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163

The integral (24)/(π) ∫ _ 0 ^ 2 (2 - x ^ 2 )dx (2 + x ^ 2 ) 4 + x ^ 4 is equal to ______.

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164

Let f(x) = max\ |x + 1|, |x + 2|, … , |x + 5|\ . Then ∫ _ - 6 ^ 0 f(x)dx is equal to ______.

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165

The value of the integral 48 π ^ 4 ∫ _ 0 ^ π ( 3π x ^ 2 2 - x ^ 3 ) sinx 1 + ^ 2 x dx is equal to ______.

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166

If b _ n = ∫ _ 0 ^ (π)/(2) ^ 2 nx sinx dx, n ∈ ℕ , then

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167

The value of b > 3 for which 12 ∫ _ 3 ^ b 1 ( x ^ 2 - 1)( x ^ 2 - 4) dx = _ e ((49)/(40)) , is equal to _____.

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168

The value of ∫ _ 0 ^ π e ^ cosx sinx (1 + ^ 2 x)( e ^ cosx + e ^ - cosx ) dx is equal to

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169

The value of the integral ∫ _ - (π)/(2) ^ (π)/(2) dx (1 + e ^ x )( ^ 6 x + ^ 6 x) is equal to

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170

_ n → ∞ ( n ^ 2 ( n ^ 2 + 1)(n + 1) + n ^ 2 ( n ^ 2 + 4)(n + 2) + n ^ 2 ( n ^ 2 + 9)(n + 3) + … + n ^ 2 ( n ^ 2 + n ^ 2 )(n + n) ) is equal to

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171

If f(θ) = sinθ + ∫ _ - (π)/(2) ^ (π)/(2) (sinθ + tcosθ) · f(t)dt , then | ∫ _ 0 ^ (π)/(2) f(θ)dθ| is

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172

Let Max _ 0 ⩽ x ⩽ 2 \ 9 - x ^ 2 5 - x \ = α and Min _ 0 ⩽ x ⩽ 2 \ 9 - x ^ 2 5 - x \ = β . If ∫ _ β - (8)/(3) ^ 2α - 1 Max \ 9 - x ^ 2 5 - x , x\ dx = α _ 1 + α _ 2 _ e ((8)/(15))

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173

Let f: [- (π)/(2), (π)/(2)] → ℝ be a continuous function such that f(0) = 1 and ∫ _ 0 ^ (π)/(3) f(t)dt = 0 Then which of the following statements is (are) TRUE?

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174

Let g_ i :[(π)/(8), (3 π)/(8)] arrow ℝ, i=1,2 , and f:[(π)/(8), (3 π)/(8)] arrow ℝ be functions such that g_ 1 (x)=1, g_ 2 (x)=|4 x-π| and f(x)= ^ 2 x , for all x ∈[(π)/(8), (3

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175

Let g_ i :[(π)/(8), (3 π)/(8)] arrow ℝ, i=1,2 , and f:[(π)/(8), (3 π)/(8)] arrow ℝ be functions such that g_ 1 (x)=1, g_ 2 (x)=|4 x-π| and f(x)= ^ 2 x , for all x ∈[(π)/(8), (3

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176

For any real number x , let [x] denotes the largest integer less than or equal to x . If I = ∫ _ 0 ^ 10 [ (10x)/(x + 1) ]dx , then the value of 9I is ____.

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177

Let f: R → R be a continuous function. Then _ x → π / 4 (π)/(4) ∫ _ 2 ^ sec ^ 2 x f ( x ) dx x ^ 2 - π ^ 2 16 is equal to:

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178

Let J _ n, m = ∫ _ 0 ^ 1 / 2 x ^ n x ^ m - 1 dx, ∀ n > m and n, m ∈ N . Consider a matrix A = [ a _ ij ] _ 3 × 3 where a _ ij = \ cases J _ 6 + i, 3 - J _ i + 3, 3 & , i ≤ j 0 &

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179

The function f ( x ) , that satisfies the condition f ( x ) = x + ∫ _ 0 ^ π / 2 sinxcosyf ( y ) dy, is :

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180

If [x] is the greatest integer ≤ x, then π ^ 2 ∫ _ 0 ^ 2 (sin( )/(2)) (x - [x]) ^ [ x ] dx is equal to :

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181

Let f: ℝ → ℝ be a differentiable function such that its derivative f ^ ' is continuous and f(π) = - 6 . If F: [0, π] → ℝ is defined by F(x) = ∫ _ 0 ^ x f(t)dt, and if ∫ _ 0 ^ π (

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182

Which of the following inequalities is/are TRUE?

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183

The value of the integral ∫ _ 0 ^ π / 2 3 cos ⁡ θ ( cos ⁡ θ + sin ⁡ θ ) ^ 5 dθ equals

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184

If I = (2)/(π) ∫ _ - (π)/(4) ^ (π)/(4) dx (1 + e ^ sinx )(2 - cos2x) then find 27 I ^ 2 equals____

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185

The value of the integral ∫ _ 0 ^ (1)/(2) 1 + 3 ( (x + 1) ^ 2 (1 - x) ^ 6 )(1)/(4) dx is

JEE Advanced 2018 Solution
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186

Let f: ℝ → ℝandg: ℝ → ℝ be two non-constant differentiable functions. If f ^ ′ (x) = ( e ^ (f(x)) - g(x) ) g ^ ′ (x)forallx ∈ ℝ , and f(1) = g(2) = 1 then which of the following

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187

The value of I = ∑ _ k = 1 ^ 98 ∫ _ k ^ k + 1 (k + 1)/(x ( x + 1 )) dx, then

JEE Advanced 2017 Solution
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188

If g(x) = ∫ _ sinx ^ sin2x ^ - 1 tdt, then

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189

Let f: ℝ → ℝ be a differentiable function such that f(0) = 0, f((π)/(2)) = 3 and f ^ ′ (0) = 1 . If g(x) = ∫ _ x ^ (π)/(2) [ f ^ ′ (t)cosect - cottcosectf(t)]dt , for x ∈ (0

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190

The value of ∫ _ - (π)/(2) ^ (π)/(2) x ^ 2 cos ⁡ x 1 + e ^ x dx is equal to

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191

If α = ∫ _ 0 ^ 1 ( e ^ 9x + 3 ^ - 1 ⁡ x )( 12 + 9 x ^ 2 1 + x ^ 2 )dx where ^ - 1 ⁡ x takes only principal values, then the value of ( _ e ⁡ |1 + α| - (3π)/(4)) is

JEE Advanced 2015 Solution
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192

The option(s) with the value of a and L that satisfy the following equation is(are) ∫ _ 0 ^ 4π e ^ t ( ^ 6 ⁡ at + ^ 4 ⁡ at)dt ∫ _ 0 ^ π ( ^ 6 ⁡ at + ^ 4 ⁡ at)dt = L ?

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193

Let f(x) = 7 ^ 8 ⁡ x + 7 ^ 6 ⁡ x - 3 ^ 4 ⁡ x - 3 ^ 2 ⁡ x for all x ∈ (- (π)/(2), (π)/(2)) . Then the correct expression(S) is(are)

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194

Let f ^ ′ (x) = 192 x ^ 3 2 + ^ 4 ⁡ for all x ∈ ℝ with f((1)/(2)) = 0 . If m ≤ ∫ _ (1)/(2) ^ 1 f(x)dx ≤ M, then the possible values of m and M are

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195

Let F: ℝ → ℝ be a thrice differentiable function. Suppose that F(1) = 0, F(3) = - 4 and F′(x) If ∫ _ 1 ^ 3 x ^ 2 F ^ ′ (x)dx = - 12 and ∫ _ 1 ^ 3 x ^ 3 F ^ ′′ (x)dx = 40, then the

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196

Let f: ℝ → ℝ be a function defined by f(x) = \ cases [x], & x ≤ 2 0, & x > 2 cases ) , where [ x ] is the greatest integer less than or equal to x . If I = ∫ _ - 1 ^ 2 xf ( x ^ 2

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197

Let F(x) = ∫ _ x ^ x ^ 2 + (π)/(6) 2 ^ 2 ⁡ tdt for all x ∈ ℝand f: [0, (1)/(2)] → [0, ∞) be a continuous function. For a ∈ [0, (1)/(2)], if F ^ ′ (a) + 2 is the area of the region

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198

The following integral ∫ _ (π)/(4) ^ (π)/(2) (2cosecx) ^ 17 dx is equal to

JEE Advanced 2014 Solution
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199

Paragraph: Given that for each a ∈(0,1) , _ h arrow 0^ + ∫_ h ^ 1-h t^ -a (1-t)^ a-1 d t exists. Let this limit be g(a) . In addition, it is given that the function g(a) is

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200

Paragraph: Given that for each a ∈(0,1) , _ h arrow 0^ + ∫_ h ^ 1-h t^ -a (1-t)^ a-1 d t exists. Let this limit be g(a) . In addition, it is given that the function g(a) is

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