1. Find the general solution of the differential equation.
 And 1.21) y- 3y - 18y = 0; b) y- 6y = 0; a) y + 2y + 5y = 0

2. Find the general solution of the differential equation.
 2.21 y - 4y + 29y = 104sin5x

3. Find the general solution of the differential equation.
 3.21 y + 16y = 80e2x

4. Find a particular solution of the differential equation that satisfies the given initial conditions.
 4.21 y- 8y = 16 + 48x2 - 128x3, y (0) = -1, y (0) = 14

5. Identify and record the structure of a particular solution y * linear inhomogeneous differential equation of form of the function f (x)
 5.21 5y + 9y - 2y = f (x); a) f (x) = x3 - 2x; b) f (x) = 2sin2x - 3cos2x

Detailed solution. Designed in PDF format for easy viewing of IDZ solutions on smartphones and PCs. In MS Word (doc format) sent additionally.