12.17 Chapter 9 Introduction to Linear Higher Order Equations. Section 9.1. Page 471

12.17.1 problem section 9.1, problem 2
12.17.2 problem section 9.1, problem 3
12.17.3 problem section 9.1, problem 5(b) 1
12.17.4 problem section 9.1, problem 5(b) 2
12.17.5 problem section 9.1, problem 5(b) 3
12.17.6 problem section 9.1, problem 5(b)
12.17.7 problem section 9.1, problem 6(a)
12.17.8 problem section 9.1, problem 6(b)