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

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

A

`(1)/(4)`

B

`(1)/(2)`

C

`(1)/(2)`

D

`(-3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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