89.22 Chapter 10. Nonhomogeneous Equations: Operational methods. Exercises at page 161

89.22.1 problem 1
89.22.2 problem 2
89.22.3 problem 3
89.22.4 problem 4
89.22.5 problem 5
89.22.6 problem 6
89.22.7 problem 7
89.22.8 problem 8
89.22.9 problem 9
89.22.10 problem 10
89.22.11 problem 11
89.22.12 problem 12
89.22.13 problem 13
89.22.14 problem 14
89.22.15 problem 15
89.22.16 problem 16