" 1."int_(1)^(4)(x^(2)-x)dx

int_(1)^(4)3x^(2)dx

int_(1)^(4)(1+x+e^(2x))dx

int(x^(4))/(1+x^(2))dx

int (x^(4))/(x^(2)+1)dx

If I_(1) = int_(0)^(1) 2^(x^(2))dx, I_(2) = int_(0)^(1) 2^(x^(3))dx , I_(3) = int_(1)^(2) 2^(x^(2))dx, I_(4)=int_(1)^(2) 2^(x^(3))dx then

int_(1)^(2)4^(x)dx

Evaluate: int_(0)^(1)|5x-3|dx( ii) int_(0)^( pi)|cos x|dx( iii) int_(-5)^(5)|x-2|dx( iv )int_(-1)^(1)e^(|x|)dx(v)int_(0)^(2)|x^(2)+2x-3|dx(v)int_(1)^(4)(|x-1|+|x-2|+|x-3|)dx( vi) int_(1)^(2)|x^(3)-x|dx

int_(1)^(2)(1)/(x^(2)-4x+7)dx=

"int_(-1)^(4)(x^(5)+2x^(2)+x)dx