∫[x/(x^2+3x-2)]dx=∫[x/(x^2+3x+9/4-17/4)]dx=∫{x/[(x+3/2)^2-17/4]}dx=∫{(x+3/2-3/2)/[(x+3/2+√17/2)(x+3/2-√17/2)]}dx=∫{(x+3/2)/[(x+3/2+√17/2)(x+...