34.1 Chapter 2. Solutions of differential equations. Supplemetary problems. Page 11

34.1.1 problem 13
34.1.2 problem 14
34.1.3 problem 15
34.1.4 problem 16
34.1.5 problem 17
34.1.6 problem 18
34.1.7 problem 19
34.1.8 problem 20
34.1.9 problem 21
34.1.10 problem 22