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d/(dx) (sin^(-1)(2/(x^(-1) + x))) is euq...

`d/(dx) (sin^(-1)(2/(x^(-1) + x)))` is euqal to

A

`2/(1 + x^2), 0 lt |x| lt 1`

B

`2/(sqrt(1 - x^2)),|x| lt 1`

C

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

D

`0`

Text Solution

Verified by Experts

The correct Answer is:
A
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