int(1)/((a^(2)+x^(2))^(3//2))dx is equal...

`int(1)/((a^(2)+x^(2))^(3//2))dx` is equal to

A

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

B

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

C

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

D

None of these

Verified by Experts

The correct Answer is:

B

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