Homework Statement we have 4/((s^2) + 4)(s-1)(s+3) Homework Equations The Attempt at a Solution dividing it up do we get: A/((s^2) + 4) + B/(s-1) + C/(s+3) = 4 or is it (As + B)/((s^2) + 4) + C/(s-1) + D/(s+3) = 4