MHT CET202121 Sep 2021Morning ShiftMathematicsDifferentiationActual
If y= cosec ^1 [ x +1 x-1 ]+ ⁻¹ [ x -1 x +1 ] , then d y d x =
Options
- A0
- B1
- C2 x +1
- D1 2( x +1)
Correct answer
A. 0
Step-by-step solution
aligned & y= cosec ⁻¹ ( x +1 x -1 )+ ⁻¹ ( x -1 x +1 )= ⁻¹ ( x -1 x +1 )+ ⁻¹ ( x -1 x +1 )= 2 & d y d x =0 aligned