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The set of points, where f(x)=(x)/(1+|x|...

The set of points, where `f(x)=(x)/(1+|x|)` is differentiable, is :

A

`(-oo,0) cup (0, oo)`

B

`(-oo, -1) cup (-1, oo)`

C

`(-oo, oo)`

D

`(0, oo)`

Text Solution

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The correct Answer is:
C
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