(20 points) Solve the initial value problem (1 + x)y" + 3y = 0, y(0) = 0, y'(0) = 12. If the solution is y=cocx + 2x + C3x + C4x + 5x5 + C6 x 6 + 7x7 + enter the following coefficients: CO 5. C2 C3 || C4= C5 6 Hint: Don't forget to apply initial conditions to find Co and c. || C7 5