79.1 Chapter 3. Solutions of first-order equations. Exercises at page 47

79.1.1 problem 1 (i)
79.1.2 problem 1 (ii)
79.1.3 problem 1 (iii)
79.1.4 problem 1 (iv)
79.1.5 problem 1 (v)
79.1.6 problem 1 (vi)
79.1.7 problem 2 (i)
79.1.8 problem 2 (ii)
79.1.9 problem 2 (iii)
79.1.10 problem 2 (iv)
79.1.11 problem 2 (v)
79.1.12 problem 2 (vi)
79.1.13 problem 3 (i)
79.1.14 problem 3 (ii)
79.1.15 problem 3 (iii)
79.1.16 problem 3 (iv)
79.1.17 problem 3 (v)
79.1.18 problem 3 (vi)
79.1.19 problem 4 (i)
79.1.20 problem 4 (ii)
79.1.21 problem 4 (iii)
79.1.22 problem 4 (iv)
79.1.23 problem 4 (v)
79.1.24 problem 4 (vi)
79.1.25 problem 5
79.1.26 problem 6