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f(x)=(sin^(- 1)x)^2*cos(1/ x)"if"x!=0;f(...

`f(x)=(sin^(- 1)x)^2*cos(1/ x)"if"x!=0;f(0)=0,f(x)` is :

A

count. No where in `-1 le x le 1`

B

cont. every where in `-1 le x le 1`

C

differentiable no where in `-1 le x le 1`

D

differentiable everywhere in `-1 lt x lt 1`

Text Solution

Verified by Experts

The correct Answer is:
B, D
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