14.8 Chapter 8, Linear differential equations of order n. Section 8.4, Complex-Valued Trial Solutions. page 529

14.8.1 problem Problem 1
14.8.2 problem Problem 2
14.8.3 problem Problem 3
14.8.4 problem Problem 4
14.8.5 problem Problem 5
14.8.6 problem Problem 6
14.8.7 problem Problem 7
14.8.8 problem Problem 8
14.8.9 problem Problem 9
14.8.10 problem Problem 10
14.8.11 problem Problem 11