Answers

2014-05-21T00:32:30+05:30
|x-1/2| is not differentiable at x-1/2 =0
=> x = 1/2
|x-1| is not differentiable at x-1 = 0
=> x = 1
Tanx is not differentiable at pi/2       (Tanx is not differentiable where its value is ∞ or -∞)
hence in [0,2] f(x)is not differentiable at three points

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