Let f(x)={((x-1)^(2)"cos"1/(x-1)-|x+|,,,...

Let `f(x)={((x-1)^(2)"cos"1/(x-1)-|x+|,,,x!=1),(-1,,,x=1):}` The set of points where f(x) is not diferentiable is

A

{1}

B

{0,1}

C

{0}

D

None of these

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The correct Answer is:

C

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