Question

The function which is continuous for all real values of x and is differentiable at x=0

Answer 1

Answer:

Since x/x is not continuous function

It is not differentiable also <br>. Also, L.H.D and R. H. D at x=0 not equal. <br>Thus,only function given in option b gives differentiability for all real values of x

Explanation:

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Answer 2

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