Solve the differential equation d2y/dt^2 - 3 dy/dt + 2y - t = 0 subject to the initial conditions that y(0) = 1 and y'(0) = 0, from 0 to 1. Use fourth order Runge-Kutta method and h=0.2. Compare results with the analytical (exact) solution, y = ex 3 4 e2x 1 3 - + = x +