69.19 Chapter 2 (Higher order ODEs). Section 15.4 Nonhomogeneous linear equations with constant coefficients. The Euler equations. Exercises page 143

69.19.1 problem 618
69.19.2 problem 619
69.19.3 problem 620
69.19.4 problem 621
69.19.5 problem 622
69.19.6 problem 623
69.19.7 problem 624
69.19.8 problem 625
69.19.9 problem 626
69.19.10 problem 627
69.19.11 problem 628
69.19.12 problem 629
69.19.13 problem 630
69.19.14 problem 631
69.19.15 problem 632
69.19.16 problem 633
69.19.17 problem 634
69.19.18 problem 635