`int(x^2tan^(- 1)x)/(1+x^2)dx`

1.	`int(x^2tan^(- 1)x)/(1+x^2)dx`
Answer» Correct Answer - `x tan^(-1) x-(1)/(2) log (1+x^(2)) -(1)/(2) (tan^(-1)x)^(2) +c`

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