`intx^3(1+x^4)^3dx`

Evaluate the following integrals by changing the limits of integration after suitable subsitutions: underset(-1)overset(1)intx^3(x^4+1)^3dx

intx^3/(1+x^2)^2dx

intx^3/(1+x^2)^2dx

Evaluate intx^3/(1+x^8)dx

Evaluate intx^3/(1+x^8)dx

Evaluate: intx^3/(x^4+1)dx

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

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

intx/(1+x^4)\ dx

intx/(1+x^4)\ dx