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If f(x) =|x-1| ,x in R then at x =1...

If f(x) =|x-1| ,x `in `R then at x =1

A

f(x) is not differentiable

B

f (x) is not continuous

C

f(x) is not continuous but not differentiable

D

f (x)is continuous and differentiable

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A
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