14.1 problem Example 7.5.1 page 353
 14.2 problem Example 7.5.2 page 354
 14.3 problem Example 7.5.3 page 356
 14.4 problem 1
 14.5 problem 2
 14.6 problem 3
 14.7 problem 4
 14.8 problem 5
 14.9 problem 6
 14.10 problem 7
 14.11 problem 8
 14.12 problem 9
 14.13 problem 10
 14.14 problem 14
 14.15 problem 15
 14.16 problem 16
 14.17 problem 17
 14.18 problem 18
 14.19 problem 19
 14.20 problem 20
 14.21 problem 21
 14.22 problem 22
 14.23 problem 23
 14.24 problem 24
 14.25 problem 25
 14.26 problem 28
 14.27 problem 29
 14.28 problem 30
 14.29 problem 31
 14.30 problem 32
 14.31 problem 33
 14.32 problem 34
 14.33 problem 35
 14.34 problem 36
 14.35 problem 37
 14.36 problem 38
 14.37 problem 39
 14.38 problem 40
 14.39 problem 41
 14.40 problem 42
 14.41 problem 43
 14.42 problem 44
 14.43 problem 45
 14.44 problem 46
 14.45 problem 47
 14.46 problem 48
 14.47 problem 49
 14.48 problem 50
 14.49 problem 51
 14.50 problem 61
 14.51 problem 62
 14.52 problem 63
 14.53 problem 64
 14.54 problem 65
 14.55 problem 66
 14.56 problem 67
 14.57 problem 68