(20 points) Solve the initial value problem (4+x)y" + 4y = 0, y(0) = 0, y'(0) = 11. If the solution is y = c + x + 2x + 3 + 4x + 5x5 + 6 x 6 + 7x7 +... enter the following coefficients: CO C1 C2 C3 C4 3 5 5 5 5 5 C7 55 C6 Hint: Don't forget to apply initial conditions to find co and C1.