int(2x^(3))/(4+x^(8))dx

int(2x^(3))/(1+x^(8))dx

int(4x^(3))/(1+x^(8)) dx =

" (8) "int(x^(3))/(3x^(4)+9)*dx

int((x-4)^(3))/(x^(2))dx

int(x^(3))/((x^(2)-4))dx

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

Evaluate: int(x^(3))/(sqrt(x^(8)+4))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

3. int(4x^(3))/(8^(2)+x^(4))dx

int(4x^(3))/(8^(2)+x^(4))dx