If is not differentiable at , and , then | CGP Edu

Maths Functions, Limits, Continuity and Differentiability Telangana & AP CET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

If is not differentiable at , and , then

A

4

B

5

C

6

D

8

Text Solution

Verified by Experts

The correct answer is:

Clearly for max. value, is defined as

Checking differentiability at and ,
(i) At

LHD: or

LHD RHD
is not differentiable at
(ii) At

LHD:
RHD:

is not differentiable at

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