Harvard University,FAS
Spring 2002

Mathematics 1b
Spring 2002

Calculus, Series
and differential equations

Course Head: Robin Gottlieb

Office: SciCtr 429
Email: gottlieb@math

Head CA: Jonathan Yang
Email: jyang@fas
Math1b applied: a Biological system
Mon, Wed, Fri Homework                      Main page

Homework
Tuesday and Thursday Sections

HW # Assignment Due Solutions
Primer Problem Set 0 Tuesday, February 5 Primer Solution
1 Read: Section 8.1 and first part of Section 8.2 (pg. 573-576)
Do: Section 8.1 #1, 4
Section 8.2 #3 (where for these two problems the instructions "Graph both the sequence of terms and the sequence of partial sums on the same screen" is changed to "Plot the partial sums.")
Plus: Problems 1-3 and Think and Think Again Question 1 from Handout A.
Thursday, February 7 Solution 1
2 Read: Rest of Section 8.2 and 8.3, pg. 583-587
Do: Section 8.2 #12, 16, 18, 20, 33, 34, 48, 51
Section 8.3 #1, 2, 3, 4, 10, 19, 20
Plus: Think and Think Again 2 and Problem 4 from Handout A
Extra Credit: Section 8.2 #52
Tuesday, February 12 Solution 2:
Parts a & b
3 Read Section 8.4 Do: Section 8.3 #5, 9 Section 8.4 #2, 12, 13, 19 (for 19, explain your reasoning clearly. There are several different lines of reasoning that can be used.) Plus: Problem 1 from Handout B
Thursday, February 14 Solution 3
4 Read Section 8.5 and the Series Handout
Do: Section 8.4 #20, 22, 31, 33 plus: Look back at #33. Which grows faster, exponentials or factorials? Tie your answer in with #33.
Section 8.5 #2, 4, 6, 14, 16 (but don't worry about the endpoints of the interval), 20abc, 22, 23ab, 28
Do (from handout): pg. 37 #1, 2, 3 (when you've completed 3 multiply out the original function and compare your answer with the Taylor Series), 4, 5
Plus: All of Handout C
Tuesday, February 19 Solution 4 (and 6, with graphs)
Series Handout solutions to come
5 Read Section 8.7
Do: Section 8.7 # 9, 11, 18, 20, 23, 27, 29, 36
Thursday, February 21 Solution 5
6 Read Section 8.6 and 8.8
Section 8.6 #6, 12, 16, 28
Plus: Problems 2, 3 and 4 from Handout B
Tuesday, February 26 Solution 6
7 Read Section 8.8
Do: Section 8.8 #1, 4 (first 3 non-zero terms only), 9 (When you use summation notation, treat the first term independently)
Thursday, February 28 Solution 7 (ignore problems not assigned)
8 Read Section 8.9
Do: Section 8.9 #19, 20, 22, 23
As a start to your exam review, do the Concept Check: pg. 640 #3, 4, 10, 11a-d, and the true/false quiz #1-7 and 11.
Plus: Problems 1-4 from Handout D
Extra Credit: Section 8.9 #25 (Read the notes on Handout D for guidance)
Tuesday, March 5 Solution 8**
9 Good Luck on the Exam! - -
10 Do: Section 5.5 #4, 5, 8, 10, 14, 16, 20, 24, 27, 28, 32, 60
Section 5.6 #4, 5, 8, 14, 22, 28, and pg. 438 #5 (as a review)
Plus: Looking at Integration from a Graphical Perspective (due March 14)
Extra credit: Section 5.6 #34
Tuesday, March 12 Solution 10
11 Do: Section 5.6 #6, 18
Section 5.7 #18, 20, 24, 27, 29
Plus: Problems 1 and 2 from Handout E
Thursday, March 14 Solution 11
12 Do: Section 5.7 #1, 2, 3, 8 (From sin^2 t + cos^2 t = 1 you can derive the identity tan^2 t + 1 = sec^2 t.)
Section 5.9 #2, 13, 23, 24
Plus: Problems 3-6 from Handout E
Extra credit: pg. 441 #72 or Problem 7 or 8 on Handout E
Tuesday, March 19 Solution 12:
Part I
Part II
13 Do: Section 5.10 #2, 6, 12, 13, 20, 24, 26. Note that one of these requires no work. Look before you roll up your sleeves to compute!
Plus: Problem 1 from Handout F
Extra credit: Section 5.10 #50
Thursday, March 21 Solution 13
14 Do: Section 5.10 #53
Plus: All of Handout G
And: Section 6.1 #1, 4, 16 (to integrate |x| you must split the integral up into pieces on which x doesn't change sign), 22, 23, 24, 25
Extra Credit: Section 6.1, #27
Tuesday, April 2 Solution 14:
Part I
Part II
15 Do: Section 6.2 #3, but change the instructions from ``a typical disk or ``washer"" to ``a typical slice." To #3, add parts (b),(c), and (d) below. For each of these, set up the integral or integrals but do not evaluate:
(b) rotate the same region about the horizontal line y = 4.
(c) rotate the same region about the horizontal line y = 5.
(d) rotate the same region about the vertical line x = -1.
Do: Section 6.2 #10 (same change in instructions as above), 23, 31, 35, 46
Extra Credit: #48
Thursday, April 4 Solution 15
16 Do: Section 6.3 #1, 4, 21
Section 6.4 #2, 5, 11
Section 6.5 #1, 4, 7, 10, 12
Plus: Problem 1 from Handout H (Handout F, part 2, was renamed to Handout G)
Extra Credit: Section 6.4 #16; Section 6.5 # 17, 18
Tuesday, April 9 Solution 16
17 Do: Section 6.7 # 2, 3, 4, 6
Plus: Problem 2 from Handout H and
Problems 1 and 3 from Handout I
Extra Credit: Section 6.7 # 13
Thursday, April 11 Solution 17
18 Read: Stewart text Section 7.1 & 7.2
Get the supplement at Gnomen Copy. The supplement begins with "Chapter 31" & after page 1002 starts again with page 1.
Read Chapter 31.1(pp.983-990) & 31.2 plus pages 1-9.
Do: Section 7.1 # 1, 3, 4, 6, 9, 12, 14
Supplement pp. 990 # 1, 2, 4
Supplement pp. 997 #3
Worksheet on pp. 1-4
Tuesday, April 16 Solution 18
19 Read: Stewart text Section 7.2
Do: Handout J Plus: Stewart text Section 7.2 #1
Thursday, April 18 Solution 19
20 Read: In the Supplement pp. 5-14. (We're essentially covering 7.4 and 7.5 in Stewart, but the emphasis is very different.) AND
Stewart text Section 7.3 (You won't be held accountable for the subsection on orthogonal trajectories, but it is interesting to read and applicable in physics.)
Do: Supplement pp. 14-15 #1 (you may want to draw the family of solutions and then, using another color, highlight solutions corresponding to the initial conditions given), 2, 3, 4.
Stewart: section 7.2 # 3,4,5,6
Do: Section 7.3 #3,4,5,6,9,16,28,33
Extra credit: Supplement p. 1000 #17
Tuesday, April 23 Solution 20**
21 Read section 8.10 in Stewart
Do: Section 8.10 #3 (express as a familiar function) and 5 (which cannot be expressed as a familiar function)
Plus: Problem 1 from Handout K
Thursday, April 25 Solution 21
Handout K #1
22 Read the supplement pp. 16-40
Do: Stewart section 7.6 #1, 2
Plus: Problems 2-4 from Handout K
Tuesday, April 30 Solution 22
23 Read: Stewart section 7.6 and Supplement pg. 49-50
It is recommended to read the supplement pg. 41-45 as well, although we will not be linearizing about equilibrium points
Do: Stewart pg. 559, chapter review problems #20 and 21
Plus: All of Handout L and
Problems 1ac, 2 (for 1a and 1c), and 5 from Handout M
Thursday, May 2 Solution 23
Handout L
Handout M
24 Read: Supplement pg. 51-55
Do: Problems 1b, 2 (for 1b), and 3-4 from Handout M
AND all of Handout N
Monday, May 6 (in your CA's mailbox) Handout M
Handout N
**Note: Starred solutions are provided early so that students can look over their own work in preparation for the upcoming exam. Students will still need to hand in the homework on the due date, and remember that the topics covered by each exam go up to and include each of these assignments.

Last update, 05/13/2002, math1b@fas.harvard.edu