Chapter 9
Differential equations and linear algebra, 4th ed., Edwards and Penney

9.1 Section 5.2, Higher-Order Linear Differential Equations. General solutions of Linear Equations. Page 288
9.2 Section 5.3, Higher-Order Linear Differential Equations. Homogeneous Equations with Constant Coefficients. Page 300
9.3 Section 7.2, Matrices and Linear systems. Page 384
9.4 Section 7.3, The eigenvalue method for linear systems. Page 395
9.5 Section 7.6, Multiple Eigenvalue Solutions. Examples. Page 437
9.6 Section 7.6, Multiple Eigenvalue Solutions. Page 451
9.7 Chapter 11 Power series methods. Section 11.1 Introduction and Review of power series. Page 615
9.8 Chapter 11 Power series methods. Section 11.2 Power series solutions. Page 624