49.2 Chapter 1.6 Introduction– Linear equations of First Order. Page 41

49.2.1 problem 1(a)
49.2.2 problem 1(b)
49.2.3 problem 1(c)
49.2.4 problem 1(d)
49.2.5 problem 1(e)
49.2.6 problem 2
49.2.7 problem 3
49.2.8 problem 4
49.2.9 problem 5
49.2.10 problem 7