(d)/(dx)[cos^(2)(cos^(-1)sqrt((2+x)/(2-x...

`(d)/(dx)[cos^(2)(cos^(-1)sqrt((2+x)/(2-x)))]` is

A

`1/4`

B

`1/2`

C

`-1/2`

D

`-3/4`

Verified by Experts

The correct Answer is:

A

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