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int (dx)/(x(x^2 + 1)) equals :...

`int (dx)/(x(x^2 + 1))` equals :

A

`logabs(x)-1/2log(x^(2)+1)+C`

B

`logabs(x)+1/2log(x^(2)+1)+C`

C

`-logabs(x)+1/2log(x^(2)+1)+C`

D

`1/2logabs(x)+log(x^(2)+1)+C`

Text Solution

Verified by Experts

The correct Answer is:
A
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