35.7 Chapter 8, Ordinary differential equations. Section 7. Other second-Order equations. page 435

35.7.1 problem 1 (a)
35.7.2 problem 1 (b)
35.7.3 problem 1 (c)
35.7.4 problem 1 (d)
35.7.5 problem 2
35.7.6 problem 3
35.7.7 problem 4
35.7.8 problem 5
35.7.9 problem 6
35.7.10 problem 16 (a)
35.7.11 problem 16 (b)
35.7.12 problem 16 (c)
35.7.13 problem 16 (d)
35.7.14 problem 17
35.7.15 problem 18
35.7.16 problem 19
35.7.17 problem 20
35.7.18 problem 21
35.7.19 problem 22
35.7.20 problem 25
35.7.21 problem 26
35.7.22 problem 27
35.7.23 problem 28
35.7.24 problem 29
35.7.25 problem 30