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The st of all poinst of differentiabilit...

The st of all poinst of differentiability of the function
`f(x)=(sqrt(x+1)-1)/(sqrt(x))`
for `x ne 0` and `f(0)=0` is

A

`(-oo,oo)`

B

`[0,oo)`

C

`(0,oo)`

D

`(-oo,oo)~{0}`.

Text Solution

Verified by Experts

The correct Answer is:
C
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