5.1 problem 6.1 (a)
5.2 problem 6.1 (b)
5.3 problem 6.1 (c)
5.4 problem 6.2
5.5 problem 6.3 (a)
5.6 problem 6.3 (b)
5.7 problem 6.3 (c)
5.8 problem 6.4
5.9 problem 6.5 (a)
5.10 problem 6.5 (b)
5.11 problem 6.5 (c)
5.12 problem 6.6
5.13 problem 6.7 (a)
5.14 problem 6.7 (b)
5.15 problem 6.7 (c)
5.16 problem 6.7 (d)
5.17 problem 6.7 (e)
5.18 problem 6.7 (f)
5.19 problem 6.7 (g)
5.20 problem 6.7 (h)
5.21 problem 6.7 (i)
5.22 problem 6.7 (j)
5.23 problem 6.7 (k)
5.24 problem 6.7 (L)
5.25 problem 6.7 (m)
5.26 problem 6.7 (n)
5.27 problem 6.7 (o)
5.28 problem 6.7 (p)