MHT CET20228 Aug 2022Evening ShiftMathematicsDifferentiationActual
d d x ( 1+ x 1- x )=
Options
- A^2 x
- B^2 x
- Cx
- Dx
Correct answer
D. x
Step-by-step solution
aligned & d 1+ x 1- x d x = d 1 2 ( 1+ x 1- x ) d x & = 1 2 1 1+ x 1- x (1- x)(0+ x)-(1+ x)(0- x) (1- x)^2 & = 1 2 2 x (1+ x)(1- x) & = x 1- ^2 x = x ^2 x = x aligned