Enter (A,B,C,D,E) in order below if A,B,C,D,E are the coefficients of the partial fractions expansion of
f(x) = (x^4 - 3x^3 + 2x^2 - 5)/(x^2 + x - 2) = Ax^2 + Bx + C + D/(x + 2) + E/(x - 1).
(A,B,C,D,E) = (1,-3,1,-2,1)
