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Which of the following functions is diff...

Which of the following functions is differentiable at x = 0 ?

A

`cos (|x|) + |x|`

B

`cos (|x|) - |x|`

C

`sin (|x|) + |x|`

D

`sin (|x|) - |x|`

Text Solution

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The correct Answer is:
D
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