int_(-1)^(1)(x^(3)+|x|+1)/(x^(2)+2|x|+1)dx" is equal to "

int_(-1)^(2) x|x| dx is equal to :

int_(-1)^(1)(x^(3)+abs(x)+1)/(x^(2)+2abs(x)+1)dx is equal to

int_(1)^(2)|x-1|dx is equal to

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

int(x^(3))/((1+x^(2))^(1//3))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_(0)^(1) (x^(2))/(1+x^(2))dx is equal to