MHT CET20226 Aug 2022Evening ShiftMathematicsDefinite IntegrationActual
The value of the integral ₀^1 1-x 1+x d x is
Options
- A( 2 )-1
- B-1
- C( 2 )+1
- D1
Correct answer
A. ( 2 )-1
Step-by-step solution
aligned & ₀^1 1-x 1+x d x= ₀^1 1-x 1-x^2 d x= ₀^1 d x 1-x^2 + ₀^1 -2 x 2 1-x^2 d x & = [ ⁻¹ x ]₀^1+ [ 1-x^2 ]₀^1 & = ⁻¹(1)- ⁻¹(0) + 1-1^2 - 1-0^2 & = 2 -0+0-1 & = 2 -1 aligned