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

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

A

`log|x|-(1)/(2) log (x^(2)+1)+c`

B

`log|x| (1)/(2) (x^(2)+1)+c`

C

`-log |x|+(1)/(2)log(x^(2)+1)+c`

D

`(1)/(2)log|x|+log(x^(2)+1)+c`

Text Solution

Verified by Experts

The correct Answer is:

A

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