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

  8.1 problem Problem 1
  8.2 problem Problem 2
  8.3 problem Problem 3
  8.4 problem Problem 4
  8.5 problem Problem 5
  8.6 problem Problem 6
  8.7 problem Problem 7
  8.8 problem Problem 8
  8.9 problem Problem 9
  8.10 problem Problem 10
  8.11 problem Problem 11