Evaluate
`int(x^(6)-1)/((x^(2)+1))dx`

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

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

int(x^(6))/(x^(2)+1)dx

Evaluate int 5(x^(6)+1)dx

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

Evaluate int(1+x^(6))/(1+x^(2))dx

Evaluate: int(x^(6))/(x-1)dx

Evaluate : "int((x^(2)-x+1))/((x^(2)+1))dx

Evaluate : (i) int(3x^(2))/((1+x^(6)))dx (ii) int(x^(3))/((x^(2)+1)^(3))dx (iii) (x^(8))/((1-x^(3))^(1//3))dx

Evaluate : int (x^(4)+1)/(x^(6)+1)" dx "