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(d)/(dx) {cos ^(2) [Tan ^(-1) (sin Cot ^...

`(d)/(dx) {cos ^(2) [Tan ^(-1) (sin Cot ^(-1)) ]}=`

A

`2/((x^2 + 2)^2)`

B

`(2x)/((x^2 + 2)^2)`

C

`(x^2 + 1)/(x^2 + 2)`

D

`(-2x)/((x^2 - 1)^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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