Evaluate the following integrals: `int(x^(2)tan^(-1)x)/((1+x^(2)))dx`

1.	Evaluate the following integrals: `int(x^(2)tan^(-1)x)/((1+x^(2)))dx`
Answer» Correct Answer - `xtan^(-1)x-(1)/(2)log(1+x^(2))-(1)/(2)(tan^(-1)x)^(2)+C` Put `x=tant,dx=sec^(2)tdtand"then write"tan^(2)t=(sec^(2)t-1)`.

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