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Class 12

MATHS

CONTINUITY AND DIFFERENTIABILITY

Updated On: 13-1-2020

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Text Solution

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A

0

B

1

C

non-existent

D

none of these

Answer

C

Solution

We have <br>

etc. <br>

<br>

<br> Clearly,

<br> So, f(x) is ot differentiable at x=-1

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