30.5 Chapter 2, First order differential equations. Section 2.6, Substitutions and Transformations. Exercises. page 76

30.5.1 problem 1
30.5.2 problem 2
30.5.3 problem 3
30.5.4 problem 4
30.5.5 problem 5
30.5.6 problem 6
30.5.7 problem 7
30.5.8 problem 8
30.5.9 problem 9
30.5.10 problem 10
30.5.11 problem 11
30.5.12 problem 12
30.5.13 problem 13
30.5.14 problem 14
30.5.15 problem 15
30.5.16 problem 16
30.5.17 problem 17
30.5.18 problem 18
30.5.19 problem 19
30.5.20 problem 20
30.5.21 problem 21
30.5.22 problem 22
30.5.23 problem 23
30.5.24 problem 24
30.5.25 problem 25
30.5.26 problem 26
30.5.27 problem 27
30.5.28 problem 28
30.5.29 problem 29
30.5.30 problem 30
30.5.31 problem 31
30.5.32 problem 32
30.5.33 problem 42
30.5.34 problem 45
30.5.35 problem 46
30.5.36 problem 47 (b)