1. Verify that y(t) = 1662t 10 solves the initial value problem y'(t) 2y(t) = 20, y(0) = 6. 2. Verify that y(t) = 3 cos(3t) solves the initial value problem y"(t) + 93/05) = 0, y(0) = 3, y'(0) = 0. 3. Solve the following intitial value problem y"(t) = 121E 20153, y(0) = 1, y'(0) = O