8.11 Chapter 2. Second order differential equations. Section 2.5. Method of judicious guessing. Excercises page 164

8.11.1 problem 1
8.11.2 problem 2
8.11.3 problem 3
8.11.4 problem 4
8.11.5 problem 5
8.11.6 problem 6
8.11.7 problem 7
8.11.8 problem 8
8.11.9 problem 9
8.11.10 problem 10
8.11.11 problem 11
8.11.12 problem 12
8.11.13 problem 13
8.11.14 problem 14
8.11.15 problem 15
8.11.16 problem 16
8.11.17 problem 18 (b)