MHT CET202019 Oct 2020Evening ShiftMathematicsDefinite IntegrationActual
₀¹ ⁻¹ ( 2 x-1 1+x-x² ) d x=
Options
- A1
- B4
- C2
- D0
Correct answer
D. 0
Step-by-step solution
(A) ₀¹ ⁻¹ ( 2 x-1 1+x-x² ) d x= ₀¹ ⁻¹ [ x-(1-x) 1+x(1-x) ] d x= ₀¹ [ ⁻¹ x- ⁻¹(1-x) ] d x ...(1) = ₀¹ [ ⁻¹(1-x)- ⁻¹(1-(1-x)) ] d x= ₀¹ [ ⁻¹(1-x)- ⁻¹(x) ] d x ...(2) Adding (1) & (2), we get 2 I=0 I=0