worked examples for case one

5.3.2.1 Example 1
5.3.2.2 Example 2
5.3.2.3 Example 3
5.3.2.4 Example 4
5.3.2.5 Example 5
5.3.2.6 Example 6
5.3.2.7 Example 7
5.3.2.8 Example 8
5.3.2.9 Example 9
5.3.2.10 Example 10
5.3.2.11 Example 11
5.3.2.12 Example 12
5.3.2.13 Example 13
5.3.2.14 Example 14
5.3.2.15 Example 15