`int(x^(3)(2+x^(2))^(2))/((1+x^(2)))dx` is equal to

int(x^(2))/(x(x^(2)-1))dx is equal to

int(x^(2)+1)/(x(x^(2)-1))dx is equal to

int(x+(1)/(x))^(3/2)((x^(2)-1)/(x^(2)))dx is equal to (A) (1)/(3)(x+(1)/(x))^(3)+C (B)(2)/(5)(x+(1)/(x))^(5/2)

int((x+1)^(2))/(x(x^(2)+1))dx is equal to:

int(2xe^(x^(2))(x^(2)-1))/((x^(2)+1)^(3))dx is equal to

int((tan^(-1)x)^(3))/(1+x^(2))dx is equal to

int(dx)/(x(x^(2)+1)) is equal to

int(1+x^(2))/(x)dx is equal to:

int_(0)^(1) (x^(2))/(1+x^(2))dx is equal to

int(x)/((x^(2)+1)(x^(2)+2))dx is equal to