Math 103 -- Homework #3

Due: Wednesday, Sept. 15, 1999

• Show your work on all problems.
• Remember to staple your work before you come to class!

Problems first shown Wednesday:

pages 740-741:

2, 7, 14, 15, 18, 25 (Hint: find a normal vector for the xz-plane), 27, 29, 33, 40

Extra Credit:

Page 741, ##35, 51, 53.

Problems first shown Friday:

pages 592-593:

5, 8, 9, 16, 18, 26

pages 753-755:

2 and 4 (note the special instructions at the beginning!), 11, 14, 21, 31, 34, 49, 64

Extra Credit:

Pages 592-593, ## 30, 34-35. Pages 753-755, ## 54-56.

Problems first shown Monday:

page 600:

2, 12, 14 (The 9:10 am section should postpone these until next week.)

Reading assignment for Friday, Sept. 10:

Section 10.4, pages 586-592, and the rest of Section 12.5, pages 746-753.

Questions on reading for Friday, Sept. 10:

What mathematical technique from these sections is the basis of a method of submarine navigation?

Reading assignment for Monday, Sept. 13:

Section 10.5, pages 595-600, and Section 12.6, pages 757-770.

Questions on reading for Monday, Sept. 13:

What is a ``feeling'' you might have about curvature?

Reading assignment for Wednesday, Sept. 15:

Finish reading Section 12.6, if you haven't already.

Questions on reading for Wednesday, Sept. 15:

No reading question today!