88.22 Chapter 5. Special Techniques for Linear Equations. Exercises at page 160 (Laplace transform)

88.22.1 problem 5
88.22.2 problem 6
88.22.3 problem 7
88.22.4 problem 8
88.22.5 problem 9
88.22.6 problem 10
88.22.7 problem 11
88.22.8 problem 12
88.22.9 problem 13
88.22.10 problem 14
88.22.11 problem 15
88.22.12 problem 16
88.22.13 problem 17
88.22.14 problem 18