(x^2/3) - (x^1/4) / (x^1/2) dx

integrals of rational functions

2). [x(x+2)] / (x^3 + 3x^2 - 5) dx

Multiply mnominator and denominator by 3.

Let

integrals of rational functions:

3). (X^3)/(x^4 - 4x^2 + 4)^1/2 dx