14.23 Section 3.9, Systems of differential equations. Complex roots. Page 344

14.23.1 problem 1
14.23.2 problem 2
14.23.3 problem 3
14.23.4 problem 4
14.23.5 problem 5
14.23.6 problem 6
14.23.7 problem 7
14.23.8 problem 8