71.3 Chapter 2. The Initial Value Problem. Exercises 2.1, page 40

71.3.1 problem 1 (A)
71.3.2 problem 1 (B)
71.3.3 problem 2 (C)
71.3.4 problem 2 (D)
71.3.5 problem 3 (E)
71.3.6 problem 3 (F)
71.3.7 problem 4 (G)
71.3.8 problem 4 (H)
71.3.9 problem 5 (I)
71.3.10 problem 5 (J)
71.3.11 problem 6
71.3.12 problem 7
71.3.13 problem 8
71.3.14 problem 9
71.3.15 problem 10
71.3.16 problem 11
71.3.17 problem 12
71.3.18 problem 13
71.3.19 problem 14
71.3.20 problem 15
71.3.21 problem 16
71.3.22 problem 17