Homework 21

Read: Continue with Chapter 6 focusing on 6.40 through 6.50.

• Theorem 6.40 and Fact 6.44 are very important!

Turn in: 6.41, 6.43, 6.45, 6.47, 6.48(1,2), 6.49

• 6.41 and 6.43 should be pretty short (using previous work).

Extra practice: 6.40, 6.42, 6.50