Obtain the general solution and the particular solution (if applicable) of the following nonhomogeneous linear differential equations using any method discussed in this unit unless otherwise...

Extracted text: Obtain the general solution and the particular solution (if applicable) of the following nonhomogeneous linear differential equations using any method discussed in this unit unless otherwise specified. 15. (D +6D+13)y=8e³* sin 2x + 4e* cos 2x