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

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

A

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

B

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

C

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

D

(d) None of these

Verified by Experts

The correct Answer is:

B

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