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int((x^(2)-1)dx)/((x^(4)+3x^(2)+1)Tan^(-...

`int((x^(2)-1)dx)/((x^(4)+3x^(2)+1)Tan^(-1)((x^(2)+1)/(x)))=`

A

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

B

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

C

` log Tan^(-1) (x+(1)/(x))+c`

D

` Tan^(-1) (x+(1)/(x))+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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