Homework 4 (assigned July 13, due July 19)

1. Exercises 9 and 10 on page 558. (1 point each)

2. Exercises 18 and 21 on page 559. (2 points each)
   For exercise 18, calculate the determinant and follow the procedure presented in class for finding the inverse.

3. Exercises 15, 17, 26, and 27 on pages 136-137. (3 points each)

4. Exercises 12, 15, 20, 21, 27, and 36 on page 100. (2 points each)

5. Exercises 37, 43, 47, 79, and 80 on pages 100-102. (3 points each)

Gerry Brady
Wednesday July 13 20:29:20 CDT 2005