The function is not differentiable for

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

The function

y=\sin^{-1}\left(\dfrac{2x}{1+x^2}\right)

is not differentiable for (a)

|x|<1

(b)

x=1,-1

(c)

|x|>1

(d) None of these