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If f(x)=|x-3|+|x-4|, then in the interva...

If `f(x)=|x-3|+|x-4|`, then in the interval `0 le x le 5`, the function f(x) is -

A

differentiable at `x=3`

B

differentiable at `x=4`

C

differentiable at `0 le x le 6`

D

not differentiable at `x=3 and at x=4`

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The correct Answer is:
D
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