" 4."int(dx)/(x^(3)+1)

" "4."int(dx)/(x^(3)sqrt(x^(2)-1))

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

int(dx)/(x^(3)+x^(4))dx1,334

" (c) "int(4x^(3))/(x^(4)+1)dx

"int(1)/(4x^(2)-3)*dx

(i) int ((1+x)^(3))/(sqrt(x))dx " "(ii) int((1+x)^(3))/(x^(4)) dx

(i) int ((1+x)^(3))/(sqrt(x))dx " "(ii) int((1+x)^(3))/(x^(4)) dx

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

Evaluate each of the following integrals: int x^(4)dx( ii) int x^(5/4)dx (iii) int(1)/(x^(5))dx( iv )int(1)/(x^(3)/2)dx

int(1)/(sqrt(x)+x4)dx( ii) int(1)/(x^(1/3)(x^(1/3)-1))dx