Consider the initial value problem for function y given by, Part 1: Finding Y(s) y"-2y+1y=0, y(0) = -1, y' (0) = 3. Part 2: Rewriting Y(s) (b) The function Y(s) found in part (a) has a partial fraction decomposition Y(s) = = A = -1 a= 1 S - A a) B + Find the constants A, B, and a. (8-a)21 B= Part 3: Finding y(t)