7.17 Chapter 3. Power series methods. Section 3.6 (Applications of Bessel functions). Problems at page 261

7.17.1 problem 1
7.17.2 problem 2
7.17.3 problem 3
7.17.4 problem 4
7.17.5 problem 5
7.17.6 problem 6
7.17.7 problem 7
7.17.8 problem 8
7.17.9 problem 9
7.17.10 problem 10
7.17.11 problem 11
7.17.12 problem 12
7.17.13 problem 13
7.17.14 problem 15 (b)
7.17.15 problem 16 (a)
7.17.16 problem 16 (b)