The derivative of tan^(-1) ((sqrt1+x-sqr...

The derivative of `tan^(-1) ((sqrt1+x-sqrt1-x)/(sqrt 1+x+ sqrt1-x))` is

A

`(sqrt1-x^2`

B

`1/(sqrt1-x^2`

C

`1/(2sqrt1-x^2`

D

x

Verified by Experts

The correct Answer is:

C

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