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int Tan^(-1)((2x)/(1-x^(2)))dx=...

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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