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

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

A

`(-1)/(2sqrt(1-x^4))`

B

`(1)/(2sqrt(1-x^4))`

C

`(-x)/(sqrt(1-x^4))`

D

`(x)/(sqrt(1-x^4))`

Verified by Experts

The correct Answer is:

C

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