72.29 Chapter 10. Systems of First Order Equations. Section 60. Critical Points and Stability for Linear Systems. Problems at page 539

72.29.1 problem 1 (a)
72.29.2 problem 1 (b)
72.29.3 problem 1 (c)
72.29.4 problem 1 (d)
72.29.5 problem 1 (e)
72.29.6 problem 1 (f)
72.29.7 problem 1 (g)