Due: 11 October 2018, by end of the work day
9. Page 294, 6.6, Problem 5
10. Page 295, 6.6, Problem 10
11. Page 295, 6.6, Problem 14
12. Page 295, 6.6, Problem 21
13. Page 298, 6.7, Compute the divergence for Problems 6 and 7
14. Page 299, 6.7, Problem 19
15. page 524, 10.8, Problems 1 and 3