Express 3x(x+1)(x−2)\displaystyle \frac{3x}{(x + 1)(x - 2)}(x+1)(x−2)3x in partial fractions
Integrate 3x(x+1)(x−2)\displaystyle \frac{3x}{(x + 1)(x - 2)}(x+1)(x−2)3x with respect to xxx