70.7 Chapter 3. Systems of two first order equations. Section 3.3 (Homogeneous linear systems with constant coefficients). Problems at page 165

70.7.1 problem 1
70.7.2 problem 2
70.7.3 problem 3
70.7.4 problem 4
70.7.5 problem 5
70.7.6 problem 6
70.7.7 problem 7
70.7.8 problem 8
70.7.9 problem 9
70.7.10 problem 10
70.7.11 problem 11
70.7.12 problem 12
70.7.13 problem 13
70.7.14 problem 14
70.7.15 problem 15
70.7.16 problem 16