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Let f(x) = {{:(sgn(x)+x",",-oo lt x lt 0...

Let `f(x) = {{:(sgn(x)+x",",-oo lt x lt 0),(-1+sin x",",0 le x le pi//2),(cos x",",pi//2 le x lt oo):}`, then number of points, where f(x) is not differentiable, is/are

A

0

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT MATHS-CONTINUITY AND DIFFERENTIABILITY-Exercise (Single Option Correct Type Questions)
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  18. If f(x) = (x-e^(x) + cos 2x)/(x^(2)), x ne 0 is continuous at x = 0, t...

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