MATH 251-508, fall 2008

Course information

Course news

Final exam and review
The final exam is on December 8, Monday, 1-3pm. There will be 6 questions, 3 on Chap.14, 1 on Chap.13, 1 on Chap.12 and 1 on Chap.11.
There will be a Q&A review session on Sunday, 7th Dec, in Bloc156 at 2pm. Prepare your questions for the review. If you do not ask the questions, I will not give the answers.
24 Nov 2008
Homework 13 (not for submission)
14.6
3, 7
14.7
3, 9, 18, 19, 31
14.8
1, 3, 7, 9
14.9
3, 5, 9, 17
This homework is not for submission.
27 April 2008
Homework 12
14.3
13, 20
14.4
4, 14, 20
14.5
7, 12, 17, 44
Submit the homework before the lecture on Tuesday, Nov 25th.
20 November 2008
Homework 10
14.1
3, 6, 24
14.2
8, 9, 19, 40
Submit the homework before the lecture on Tuesday, Nov 18th.
13 Nov 2008
Homework 9
13.9
3, 9, 15, 21, 41, 43, 55
13.10
13, 17, 20, 30
13.11
11, 18, 22
Bonus (+10%)
13.11.23
Submit the homework before the exam on Tuesday, Nov 11th.
4 Nov 2008
Exam 3 date and Bonus (updated!)
We will have exam 3 on Tuesday, Nov 11th at usual lecture time and place. The exam will cover all of chapter 13.
There will be a Q&A review session on Wednesday Nov 5th at 5pm in Held 109. Prepare your questions for the review. If you do not ask the questions, I cannot give the answers.
Finally, to receive a 10% bonus on your Exam 3 score, please submit the solution to this problem before the exam.
28 Oct 2008
Homework 8
13.4
3, 13, 15, 20, 28, 35, 44
13.5
1, 3, 7, 19, 25, 28
Bonus (+10%)
13.5.24
13.7
6
13.8
12, 19, 34
Submit the homework before the lecture on Tuesday, Nov 4th.
28 Oct 2008
Homework 7
13.1
1
13.2
5, 9, 13, 21, 22, 29
13.3
3, 5, 9, 11, 17, 33, 35, 37, 39, 41, 45
Submit the homework on Tuesday 28th Oct.
18 Oct 2008
Exam 2 date and Bonus
We will have exam 2 on Thursday, October 16th at usual lecture time and place. The exam will cover entire Chapter 12.
There will be a Q&A review session on Wednesday October 15th in Held at 5pm. Prepare your questions for the review. If you do not ask the questions, I will not give the answers.
Finally, to receive a 10% bonus on your Exam 2 score, please submit the solution to the following problem before the exam:

Suppose f is a differentiable function of one variable. Show that all tangent planes to the surface z=xf(y/x) intersect in a common point.

8 Oct 2008
Homework 6
12.7
10, 11, 31, 32, 49
12.8
7, 9, 10
Bonus (+10% each)
12.7.43, 12.8.42 (submit together with the homework)
Submit the homework before the lecture on Tuesday, October 14.
8 Oct 2008
Homework 5
12.5
3, 9, 30, 39
Bonus (HW+10%)
12.5.49
12.6
4, 7, 19, 25, 36
Submit the homework before the lecture on Tuesday, 7 Oct.
30 Sep 2008
Homework 4
12.3
6, 7, 10, 28, 50, 52, 54, 56, 69, 76, 86
Bonus (+10%)
12.3.94ab (submit together with the homework)
12.4
4, 12, 14, 28, 32
Submit the homework before the lecture on Tuesday, September 30.
30 Sep 2008
Homework 3
11.6
1-6 (with reasons), 16, 42, 52, 58
11.7
2
12.1
2, 6, 24, 48, 50, 60, 62, 64
Bonus (+10% on HW3)
The surface in 12.1.62 is called the "monkey saddle". Why? Draw the monkey!
12.2
4, 7
Bonus (+10% on HW3)
In 12.2.7, find the path on which the limit is equal to 1.
Submit the homework before the lecture on Tuesday, Sept 23.
16 Sep 2008
Exam 1 date and Bonus
We will have exam 1 on Thursday, Sep 11 at the usual lecture time and place. The questions will be mostly from sections 11.4 and 11.5. I would recommend to look through all the problems starting with 47 in section 11.5 and starting with 25 in 11.5.
There will be a Q&A review session on Wednesday, Sep 10 at 5:10-6pm in HELD 109. Prepare your questions for the review. If you do not ask the questions, I will not give the answers.
Finally, to receive a 10% bonus on Exam 1 score, please submit the solution to the following problem before the exam on Thursday, Sep 11:

Derive the formula for the distance from a point A to a plane P by finding the point X which is the base of the perpendicular from A to P.

4 Sep 2008
Homework 2
11.4
6, 18, 24, 28, 34, 44, 45, 58, 66, 68
Submit the homework before the lecture on Tuesday, Sep 9.
4 Sep 2008
Exam schedule
Here is the preliminary schedule of the tests we are going to have:
  • Exam 1: Sept 11th
  • Exam 2: Oct 16th
  • Exam 3: Nov 6th
  • Final: Dec 8th, Monday, 1-3 p.m
All exams apart from the final are on Thursdays in the regular lecture room and time.
4 Sep 2008
Homework 1
11.1
3, 8, 11, 16, 40, 41, 42
11.2
8, 15, 17, 21, 22, 30, 32, 33, 46
11.3
7, 12, 13, 15, 21
Bonus (HW +10%)
11.3.26, 11.3.31 (if "no", give an example; if "yes", give a proof)
Submit the homework before the lecture on Tuesday, 2 September.
26 Aug 2008
Sample exams
Here are sample exams from last year: exam I, exam II, exam III, final.
26 Aug 2008
Good summaries plus worked examples
Art Belmonte prepared good summaries of the sections with some worked examples (click on the relevant Chapter and then Lecture, summaries are in PDF). In class I will generally do examples different from those appearing in the summaries.
24 Aug 2008
Welcome!
Welcome to Math 251, section 508
The homework assignments will be posted here.
24 Aug 2008
 

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