1.1 problem Problem 14.2 (a)
  1.2 problem Problem 14.2 (b)
  1.3 problem Problem 14.2 (c)
  1.4 problem Problem 14.3 (a)
  1.5 problem Problem 14.3 (b)
  1.6 problem Problem 14.3 (c)
  1.7 problem Problem 14.5 (a)
  1.8 problem Problem 14.5 (b)
  1.9 problem Problem 14.5 (c)
  1.10 problem Problem 14.6
  1.11 problem Problem 14.11
  1.12 problem Problem 14.14
  1.13 problem Problem 14.15
  1.14 problem Problem 14.16
  1.15 problem Problem 14.17
  1.16 problem Problem 14.23 (a)
  1.17 problem Problem 14.23 (b)
  1.18 problem Problem 14.24 (a)
  1.19 problem Problem 14.24 (b)
  1.20 problem Problem 14.24 (c)
  1.21 problem Problem 14.24 (d)
  1.22 problem Problem 14.26
  1.23 problem Problem 14.28
  1.24 problem Problem 14.29
  1.25 problem Problem 14.30 (a)
  1.26 problem Problem 14.30 (b)
  1.27 problem Problem 14.31