1 Chapter 1.3 Introduction– Linear equations of First Order. Page 38

1.1 problem 1 (a)
1.2 problem 1 (b)
1.3 problem 1 (d)
1.4 problem 2 (a)
1.5 problem 2 (b)
1.6 problem 2 (c)
1.7 problem 2 (f)
1.8 problem 2 (h)
1.9 problem 3(a)
1.10 problem 4(a)
1.11 problem 5(a)