`int (x^(2))/(x^(2) +4) dx=?`A. `x+4 tan^(-1) ((x)/(2))+c`B. `x-2 tan^(-1) ((x)/(2))+c`C. None of the aboveD.

`int (x^(2))/(x^(2) +4) dx=?`A. `x+4 tan^(-1) ((x)/(2))+c`B. `x-2 tan^

1.	`int (x^(2))/(x^(2) +4) dx=?`A. `x+4 tan^(-1) ((x)/(2))+c`B. `x-2 tan^(-1) ((x)/(2))+c`C. None of the aboveD.
Answer» Correct Answer - C