14.10 Chapter 8, Linear differential equations of order n. Section 8.8, A Differential Equation with Nonconstant Coefficients. page 567

14.10.1 problem Problem 14
14.10.2 problem Problem 15
14.10.3 problem Problem 16
14.10.4 problem Problem 17
14.10.5 problem Problem 18
14.10.6 problem Problem 19
14.10.7 problem Problem 20
14.10.8 problem Problem 21
14.10.9 problem Problem 22
14.10.10 problem Problem 23