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What is int(dx)/(x(x^(2)+1)) equal to ?...

What is `int(dx)/(x(x^(2)+1))` equal to ?

A

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

B

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

C

`ln|(x^(7)-1)/(7x)|+c`

D

`(1)/(7)ln|(x^(7))/(x^(7)+1)|+c`

Text Solution

Verified by Experts

The correct Answer is:
D
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