Answer to Question #305719 in Differential Equations for Ang

Question

Solve:

1. (2D^2 - 3D + 5)(x cosx x - 3)

2. (D^3 + 2D - 4)(e^(- x) sin x + e^(2x))

3. (2D^3 - D^2 + 1)(ln(cos x) - 2tan x)

4. (D^2 + 3D + 2)(e^(- 2x) + 3x^2)