LetThen which one of the following is true? Option 1) Option 2) Option 3) Option 4)

As we learnt in

Differentiability -

Let  f(x) be a real valued function defined on an open interval (a, b) and   (a, b).Then  the function  f(x) is said to be differentiable at      if

-

There fore f is not differentiable at x = 1

similarly

Hence f is also not differentiable at x= 0

Option 1)

this is incorrect

Option 2)

this is correct

Option 3)

this is incorrect

Option 4)

this is incorrect

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