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

int(x^(9)dx)/((x^(4)-1)^(2))

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

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

If int(dx)/((x-1)^((3)/(4))(x+2)^((5)/(4)))=k((x-1)/(x+2))^((1)/(4))+c , then the number of divisors of 30k is

Find: int (x^4dx)/((x-1)(x^2+1))

int (dx)/((4x+5)^2+1)=

Evaluate int(dx)/(x^(4)(x^(3)+1)^(2))

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

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