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int (x +1)/(x^(2) + 1) dx =...

`int (x +1)/(x^(2) + 1)` dx =

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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