Problem 6: (3 points) Use the dsolve command in Python to solve

and plot for 0 ≤ t ≤ 10

y" +9y=u3(t) - 2(t-5)us(t)

y (0) =0

y'(0) =0

Note: Python uses Heaviside(t – 3) instead of u3(t). You might see a

as part of your answer. This means Heaviside as well.