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AP EAMCET202420 May 2024Evening ShiftMathematicsDefinite IntegrationActual

If [x] is the greatest integer function, then ₀^5[x] d x=

Options

  1. A15
  2. B2
  3. C3
  4. D10

Correct answer

D. 10

Step-by-step solution

I = ₀^5[x] d x= ₀^1 0 d x+ ₁^2 1 d x+ ₂^3 2 d x+ ₃^4 3 d x+ ₄^5 4 d x=10

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₀^1 2 x+5 x^2+3 x+2 ~d x= 2025₀^1 x^ 5 / 2 (1-x)^ 3 / 2 ~d x= 2025_ n [ 1 n^2 ^2 1 n^2 + 2 n^2 ^2 4 n^2 + 3 n^2 ^2 9 n^2 + + 1 n^2 ^2 1 ]= 2025₀^1 x Sin ⁻¹ x d x= 2025_ - 2 ^ 2 (x-[x]) d x= 2025₀^2 x^2(2-x)^5 d x= 2025If f(x)= Max x^3-4, x^4-4 , and g(x)= Min x^2, x^3 , then _ -1 ^1(f(x)-g(x)) d x= 2025_ n 2 n [ 2 n + 2 2 n + 3 2 n + + 2 ]= 2025 Full Definite Integration list All AP EAMCET PYQs