71.10 Chapter 4. N-th Order Linear Differential Equations. Exercises 4.3, page 210

71.10.1 problem 1
71.10.2 problem 2
71.10.3 problem 3
71.10.4 problem 4
71.10.5 problem 5
71.10.6 problem 6
71.10.7 problem 7
71.10.8 problem 8
71.10.9 problem 9
71.10.10 problem 10
71.10.11 problem 11
71.10.12 problem 17
71.10.13 problem 18
71.10.14 problem 19