Second graded homework (due 10/8)
For maximal credit, full working must be shown.

(6 points.)
Solve the initial value problem
y'' + y = cos t
with y(0) = 1 and y'(0) = 0.

(6 points.)
Give the general solution to the differential equation
y'' + 5y' + 6y = e^{t} + t^{2}
