MCS 401 homework #5 Due date: 19981009 D. J. Bernstein 19981002 Exercise 17. Baase 4.1. Do not hand in your work on parts (a) and (b). Exercise 18. Baase 4.2. Exercise 19. Let T be a tree with n nodes. Let s be the sum of the degrees of T. Give a formula for s in terms of n. Exercise 20. Baase 4.59.