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Let f(x)=|cosx|. Then,...

Let `f(x)=|cosx|`. Then,

A

f is everywhere differentiable

B

f is everywhere continuous but not differentiable at n=n`pi`, n `inZ`

C

f is everywhere continuous but not differentiable at `x=(2n+1)(pi)/(2)`, n `inZ`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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