`int(x^4)/(1+x^2)dx`A. `(x^(3))/(3)+x+tan^(-1)x+C`B. `(-x^(3))/(3)+x-tan^(-1)x+C`C. `(-x^(3))/(3)-x+tan^(-1)x+C`D. none of these

`int(x^4)/(1+x^2)dx`A. `(x^(3))/(3)+x+tan^(-1)x+C`B. `(-x^(3))/(3)+x-t

1.	`int(x^4)/(1+x^2)dx`A. `(x^(3))/(3)+x+tan^(-1)x+C`B. `(-x^(3))/(3)+x-tan^(-1)x+C`C. `(-x^(3))/(3)-x+tan^(-1)x+C`D. none of these
Answer» Correct Answer - C On dividing `x^(4)` by `(x^(2)+1)`, we get : `I=int{(x^(2)-1)+(1)/(x^(2)+1)}dx=(x^(3))/(3)-x+tan^(-1)x+C`.