MATH 310
Summer 2011
Differential Equations
Homework Exercises, Set 3
Quiz
on Wednesday, 28 September 2011
Course Information is on
WebCT
Textbook references are to:
Boyce and DiPrima
“
Elementary Differential Equations and Boundary Value Problems
” (9th edition).
Reading
:
•
Sections 2.1, 2.3
Problems to prepare for quiz (no need to hand in):
•
Section 2.1,
#
13, 18, 24, 28, 33
Linear firstorder equations, integrating factors
(Do as many of 1–20 as needed to be confident of the method)
Note the theme of interpreting/working with properties of the solutions
•
Section 2.3,
#
4, 23(a–d)
Applications of linear equations: mixing, gravity/air resistance
#
23
:
solve for the first 10 sec, and use the results as IC to continue
•
Section 2.4,
#
23, 24, 25
Theory of linear equations
#
23–25
discuss properties of linear equations that will be important later
Additional problems
1. Solve the differential equation
y
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 Spring '11
 RWK
 Math, Differential Equations, Linear Equations, Equations, Elementary algebra, #, Millikan

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