89.16 Chapter 9. Nonhomogeneous Equations: Undetermined coefficients. Exercises at page 140

89.16.1 problem 1
89.16.2 problem 2
89.16.3 problem 3
89.16.4 problem 4
89.16.5 problem 5
89.16.6 problem 6
89.16.7 problem 7
89.16.8 problem 8
89.16.9 problem 9
89.16.10 problem 10
89.16.11 problem 11
89.16.12 problem 12
89.16.13 problem 13
89.16.14 problem 14
89.16.15 problem 15
89.16.16 problem 16
89.16.17 problem 17
89.16.18 problem 18
89.16.19 problem 19
89.16.20 problem 20
89.16.21 problem 21
89.16.22 problem 22
89.16.23 problem 23
89.16.24 problem 24
89.16.25 problem 25
89.16.26 problem 26
89.16.27 problem 27
89.16.28 problem 28
89.16.29 problem 29
89.16.30 problem 30
89.16.31 problem 31
89.16.32 problem 32
89.16.33 problem 33
89.16.34 problem 34
89.16.35 problem 35
89.16.36 problem 36
89.16.37 problem 37
89.16.38 problem 38
89.16.39 problem 39
89.16.40 problem 40
89.16.41 problem 41
89.16.42 problem 42