Homework

Mathematics 117

Note: Most of the exercises have an answer or a hint in the back of the book (starting on page 569). Do not ignore these.

Problem Set I, for Thursday, April 9 (at 11:00).

     Section 2A, page 13, Exercise 16.
     Section 2B, page 18, Exercise 28.
     Section 2C, page 21, Exercise 35.
     Section 2D, page 24, Exercise 37.
     Section 3A, page 28, Exercise 4.
     Section 3A, page 32, Exercise 16.
     Section 3B, page 34, Exercises 22, 29.

Here are answers to Problem Set I.

Problem Set II, for Thursday, April 16 (at 3:50 p.m.).

     Section 3D, page 42, Exercise 39(iv).
     Section 4A, page 56, Exercise 7.
     Section 4B, page 60, Exercise 29.
     Section 4B, page 63, Exercise 40.
     Section 5A, page 74, Exercise 7.
     Section 5B, page 78, Exercise 21.
     Section 5C, page 81, Exercise 33.
     Section 5F, page 88, Exercise 49.

Here are answers to Problem Set II.

Problem Set III, for Thursday, April 23 (at 3:50 p.m.).

     Section 6C, page 105, Exercise 8 (i) and (v),
     Section 6D, page 109, Exercise 33.
     Section 6E, page 112, Exercise 44.
     Section 6F, page 116, Exercise 60 (i).
     Section 7A, page 130, Exercises 6 and 15.
     Section 7C, page 138, Exercises 23 and 31.

Here are answers to Problem Set III.

Problem Set IV, for Thursday, May 7 (at 3:50 p.m.).

     Section 7D, page 146, Exercises 39, 42.
     Section 9A, page 174, Exercises 4, 11, 14, 15.
     Section 9B, page 177, Exercises 18, 27.

Here are answers to Problem Set IV.

Problem Set V, for Thursday, May 14 (at 3:50 p.m.).

     Section 9C, page 181, Exercises 43, 48, 51.
     Section 9F, page 195, Exercises 78, 79.
     Section 10A, page 205, Exercises 5 (encode only), 7.
     Section 12A, page 263, Exercise 19.

Here are answers to Problem Set V.

Problem Set VI, for Thursday, May 21 (at 3:50 p.m.).

     Section 12A, page 261, Exercise 8.
     Section 12D, page 280, Exercise 47.
     Section 13A, page 287, Exercise 2.
     Section 13B, page 289, Exercise 5.
     Section 13D, page 293, Exercise 11.
     Section 14A, page 298, Exercises 5, 7, 8.

Here are answers to Problem Set VI.

Problem Set VII, for Thursday, June 4 (at 3:50 p.m.).

     Section 14B, page 301, Exercises 15 (find the one that is monic) and 19.
     Section 14C, page 305, Exercises 38, 42, 45, and 46. In #45, first give a counterexample showing that the result as stated is false. Then prove what the exercise should have said.
     Section 15D, page 319, Exercises 18 and 21.

Here are answers to Problem Set VII.