Problem 1.   Boas Problem #1, Ch.10.2, page 501.

Problem 2.   Boas Problem #3, Ch.10.2, page 501.

Problem 3.   Boas Problem #4, Ch.10.2, page 502.

Problem 4.   Boas Problem #5, Ch.10.2, page 502.

Problem 5.   Boas Problem #7, Ch.10.2, page 502.