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int cos^(-1) (2x^(2)-1)dx =...

`int cos^(-1) (2x^(2)-1)dx =`

A

`2 (x cos^(-1) x- sqrt(1-x^(2)))`

B

`2 (x cos^(-1) x+ sqrt(1+x^(2)))`

C

`2(x cos^(-1)x - sin^(-1)x)`

D

`2(x cos^(-1) x + sin^(-1)x)`

Text Solution

Verified by Experts

The correct Answer is:
A
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