40.11 Chapter 16. Linear equations with constant coefficients (Short methods). Supplemetary problems. Page 107

40.11.1 problem 26
40.11.2 problem 27
40.11.3 problem 28
40.11.4 problem 29
40.11.5 problem 30
40.11.6 problem 31
40.11.7 problem 32
40.11.8 problem 33
40.11.9 problem 34
40.11.10 problem 36
40.11.11 problem 37
40.11.12 problem 38
40.11.13 problem 39
40.11.14 problem 40