Math 20E Web page for Professor Wallach

Office Hours: Monday,Wednesday,Friday,2:00-3:00 APM 7456

Mike will do hold a review session on Saturday 12/4 from 4-6 in Peterson 110 (our regular lecture room).

Extra Office Hours:

Prof. Wallach: Wednesday 12/8 1:00-3:00 Mike: Monday 1:00-2:00 12/6 Rob: Tuesday 12:00-2:00 12/7.

Below are a few example problems involving material from chapters 6 and 7-- Solutions will be uploaded on Sunday. There were several misprints in the first upload of the problems. Please use this version to correct your copy if you downloaded before Saturday evening. Sorry!!

Practice problems

There is a slight revision of the solution to probem 4 (pointed out by Mr Oberrecht). You should make the changes on your copy if you downloaded before 12/8.

Solution set for the above problems

Here are some links to practice Final exams by Professor Lindblad.

Practice 1.

Solutions to Practice 1.

Practice 2.

Some solutions to Practice 2.

Solution to the second quiz.

Here is a link to some practice problems for the quiz on 11/19.

Some practice quizzes.

Below is a link to a solution set.

Solution set for the practice quizzes.

One more practice quiz problem.

Another quiz problem.

A solution to the above problem.

Solution

Here is a link to an example of an "error estimate".

An error example.

Here is a link to a solution set for the midterm.In problem 3 it should say that v'(0)=1 and so the last line of the solution should say

(-1)0 + 2(1) + (-1)(-1) = 3.

Solution set for the midterm.

Here is a link to a practice midterm exam.

Practice midterm

Here is a link to a solution set for the practice midterm.

Solution set for the practice midterm

Here is a link to the discussion the was not clear on October 22.

An improved discussion

Here is a link to a solution to the first quiz.

Solution to the first quiz.

The following link is to a pdf file containing two practice quizzes for the quiz on Friday, October 8.

There is a misprint in Quiz 1 below. The second line should be r = t(i-5j+k) + i-k (the r,i,j, k should all be bold face)

Practice quizzes for quiz 1

Homework Assignments:

Due Tuesday 9/28:

p. 7: 3 a), 4 b), 12 c)

p. 17: 7,9,10,12

p. 28: 2,5,7

Due Tuesday 10/5:

p. 41: 6,10,14,22

p. 50: 2,4,8.18,28

p. 97: 2a)-c),4,6,16,18

Due Tuesday October 12

p. 114 8, 12, 14, 22 a)-c),30,34,36,38, 40 a)-c)

Due Tuesday October 19:

p.131 2,4,10, 12, 16,18,31,32,38, p.140 6,7,8,10,14,22

Due Tuesday October 26:

p.154 2,4,6,10,20 p.195 2,6,10,16,28 p.214 2,4,11,12

Due Tuesday November 2:

p.221 18,20,22, p.229 2,4,8

Due Tuesday November 9:

p.230 12 (Hint: the partial in x of

(x^2 + y^2 + z^2)^(1/2)

is

x/(x^2 + y^2 + z^2)^(1/2))

,13, p.252 Do the Taylor series to order one but give an estimate of the error. 8,10,11,p.253 22,24, p.302 2,4,7(a),(b),8.

Due Tuesday November 16:

p. 315 1 (a),(b),2,6, p. 319 12,14,27,p.323 1 a-c,2,3,10,p.333 2,3,12,20,p.389 2,3,4,5.

There will be two 15 minute quizzes on 10/9, 11/19

The midterm was on October29.

We have covered the following material in Colley for the TOTAL COURSE:

1.1,1.2,1.3,1.4,1.5,2.1 pp.84-95,2.2,2.3,2.4,2.5,3.1 pp. 184-188,3.2 pp.197-201,3.3,3.4,4.1 pp.238-246,p.251,5.1,5.2,5.3,5.4,6.1,6.2,6.3,7.1,7.2,7.3 (to p.455).