69.24 Chapter 2 (Higher order ODEs). Section 18.2. Expanding a solution in generalized power series. Bessels equation. Exercises page 177

69.24.1 problem 739
69.24.2 problem 740
69.24.3 problem 741
69.24.4 problem 744
69.24.5 problem 745
69.24.6 problem 746
69.24.7 problem 747
69.24.8 problem 748
69.24.9 problem 749
69.24.10 problem 750
69.24.11 problem 751