Homework 7 (due Thursday, October 14th)
1. 4A in Van Lint. (See the hint.)
2. 4B in Van Lint. (See the hint.)
3. 4E in Van Lint. (See the hint.)
4. Prove that the formula at the top of page 38 in Van Lint is correct
for the number of edges of the complete multipartite graph that is described.