13 Chapter 5. The Laplace Transform Method. Exercises 5.2, page 248

13.1 problem 1
13.2 problem 2
13.3 problem 3
13.4 problem 4
13.5 problem 5
13.6 problem 6
13.7 problem 7
13.8 problem 8
13.9 problem 9
13.10 problem 10
13.11 problem 11
13.12 problem 12
13.13 problem 13
13.14 problem 14