MHT CET202122 Sep 2021Evening ShiftMathematicsDifferentiationActual
If y= ⁻¹ 1+ x 1- x , then d y d x =
Options
- A1
- B3 2
- C1 2
- D-1 2
Correct answer
C. 1 2
Step-by-step solution
aligned & y= ⁻¹ 1+ x 1- x & = ⁻¹ 2 ^2 x 2 2 ^2 x 2 = ⁻¹ ( x 2 )= ⁻¹ [ ( 2 - x 2 ) ]= 2 - x 2 & d y d x =0- 1 2 = -1 2 aligned