MA-410 Homework 2

Due at 4:59pm in my mailbox in SAS 3151, Wednesday, March 16, 2011


All solutions must be submitted stapled in hardcopy either to me in class or placed in my mailbox.
Note my office hours on my schedule.

  1. Please prove for all integers n ≥ 3 with an odd factor that 10n + 1 is a composite integer.
  2. ENT, §3.3, Problem 26, (b) only, page 60.
  3. ENT, §4.2, Problem 6, (d) only, page 68.
  4. ENT, §4.4, Problem 10, page 83.
  5. ENT, §4.4, Problem 20, (c) only, page 84.
  6. ENT, §5.2, Problem 12, page 93.