## Math 103B Spring 2012 Homework Assignments

All homework is due in the drop box at the time specified by your TA.

### Homework 1:

Due Wednesday, April 11

### Homework 2:

Due Wednesday, April 18
• Chapter 12: 1, 6, 7, 14, 19, 29, 31, 43, 45, 47 (OPTIONAL: 2, 3, 4, 8, 9, 12, 13, 17, 35, 44)
• Chapter 13: 4, 5, 13, 16, 28, 37, 39, 42 (OPTIONAL: 3, 6, 9, 11, 12, 14, 15, 19, 20, 21, 27, 31, 32, 35, 36, 40, 44, 48, 50, 62, 65)
• Chapter 14: 4, 15, 16, 27, 39, 41, 45, 60 (OPTIONAL: 5, 7, 8, 9, 10, 10, 12, 13, 14, 17, 19, 20, 22, 24, 26, 28, 29, 31, 34, 35, 36, 40, 53, 55, 57, 59, 61, 63)
• Hint: Chapter 14, Problem 16. The definition of AB is given in problem 12, notice that it allows sums of products of elements in A and B.
• Homework 2 Solutions Here

### Homework 3:

Due Thursday, April 26 by noon
• Supplementary Excercises Page 276: 3 (Hint: first do n=3, then use induction), 4, 6, 10, 15, 27, 36 (Optional: 2, 5, 9, 11, 19, 22, 31, 32, 34, 41, 46)
• Homework 3 Solutions Here

### Homework 4:

Due Wednesday, May 2
• Chapter 15: 5, 6, 8, 12, 13, 17, 20, 23, 27, 46, 48 (Optional: 1, 2, 3, 4, 9, 10, 14, 22, 48, 51)
• 5/13/12  Homework 4 Solutions Here

### Homework 5:

Due Wednesday, May 9
• Chapter 15: 11, 18, 22, 25, 30, 36, 43, 49, 52, 58, 59, 64, 66, 69 (Optional: 9, 10, 14, 15, 16, 21, 24, 26, 28, 29, 31, 32, 33, 35, 39, 41, 42, 45, 47, 50, 53, 54, 56, 60, 62, 67, 68)
• 5/18/12  Homework 5 Solutions Here

### Homework 6:

Due Wednesday, May 16
• Chapter 16: 1, 4, 6, 8, 11, 15, 21, 23, 24, 29, 30 (Optional:2, 3, 9, 10, 12, 13, 14, 17, 18, 19, 22, 25, 26)
• 5/18/12  Homework 6 Solutions Here

### Homework 7:

Due Wednesday, May 23
• Chapter 16: 17, 22, 25, 32, 33, 38, 39, 40, 41, 44, 45, 46, 48 (Optional: 34, 35, 42, 43, 47, 49, 50, 51)
• 5/31/12  Homework 7 Solutions Here

### Homework 8:

Due Friday, June 1
• Chapter 17: 2, 3, 4, 7, 9, 11, 13, 17, 21, 25, 26 (Optional: 5, 6, 8, 10, 12, 14, 15, 16, 18, 23, 24 )
• 6/8/12  Homework 8 Solutions Here

### Homework 9:

Due Friday, June 8

The Final Examination on Friday, June 15 is cumulative and covers Sections TBA