10 Chapter 15. Linear equations with constant coefficients (Variation of parameters). Supplemetary problems. Page 98

10.1 problem 10
10.2 problem 11
10.3 problem 12
10.4 problem 13
10.5 problem 14
10.6 problem 15
10.7 problem 16
10.8 problem 17
10.9 problem 18
10.10 problem 19
10.11 problem 20
10.12 problem 21