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

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

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

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

int_(1)^(4)(1+x+e^(2x))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 and I_(4)=int_(1)^(2) 2^(x^(2))dx then

Examples: int_(2)^(4)(x)/(x^(2)+1)dx

Evaluate: int_(2)^(4)(x)/(x^(2)+1)dx

int_(0)^(1)(2x+1)^(4)dx

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

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