26.8 Chapter 4. Higher order linear differential equations. Lesson 21. Undetermined Coefficients

26.8.1 problem Exercise 21.3, page 231
26.8.2 problem Exercise 21.4, page 231
26.8.3 problem Exercise 21.5, page 231
26.8.4 problem Exercise 21.6, page 231
26.8.5 problem Exercise 21.7, page 231
26.8.6 problem Exercise 21.8, page 231
26.8.7 problem Exercise 21.9, page 231
26.8.8 problem Exercise 21.10, page 231
26.8.9 problem Exercise 21.11, page 231
26.8.10 problem Exercise 21.13, page 231
26.8.11 problem Exercise 21.14, page 231
26.8.12 problem Exercise 21.15, page 231
26.8.13 problem Exercise 21.16, page 231
26.8.14 problem Exercise 21.17, page 231
26.8.15 problem Exercise 21.19, page 231
26.8.16 problem Exercise 21.20, page 231
26.8.17 problem Exercise 21.21, page 231
26.8.18 problem Exercise 21.22, page 231
26.8.19 problem Exercise 21.24, page 231
26.8.20 problem Exercise 21.27, page 231
26.8.21 problem Exercise 21.28, page 231
26.8.22 problem Exercise 21.29, page 231
26.8.23 problem Exercise 21.31, page 231
26.8.24 problem Exercise 21.32, page 231
26.8.25 problem Exercise 21.33, page 231