3 Section 3.10, Systems of differential equations. Equal roots. Page 352

3.1 problem Example 1, page 348
3.2 problem Example 2, page 349
3.3 problem 1
3.4 problem 2
3.5 problem 3
3.6 problem 4
3.7 problem 5
3.8 problem 6
3.9 problem 7
3.10 problem 8