64.23 Chapter 12, Sturm-Liouville problems. Section 12.1, Exercises page 596

64.23.1 problem 1
64.23.2 problem 2
64.23.3 problem 3
64.23.4 problem 4
64.23.5 problem 7
64.23.6 problem 8
64.23.7 problem 9
64.23.8 problem 10