Reminder: You must show your work to receive full credit on each problem! hint given 1. (a) Use a power series to solve the differential equation y" = y. co and co will be the only unknown in the series (b) Use a method from last week to double check your solution. hint given. y - g = 0 m9 9- fix) 2. Suppose the power series Cnc" is a solution to the initial value problem y" = 2xy, n=0 y(0) = 1. Find c2 and c3