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

20.8.1 problem Problem 1
20.8.2 problem Problem 2
20.8.3 problem Problem 3
20.8.4 problem Problem 4
20.8.5 problem Problem 5
20.8.6 problem Problem 6
20.8.7 problem Problem 7
20.8.8 problem Problem 8
20.8.9 problem Problem 9
20.8.10 problem Problem 10
20.8.11 problem Problem 11