^ Differential
Assignment #L - Topics
Equations
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1,.1"
- 1.2
Tanaka
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pts sez tlo o*(nclr-ao(
ln Exercises #1 - 4, solve each of the equations.
n
r.
t3
a!- x
dx
-= Y +1 L!+Dcfw_J=*d/
Irg* i=
Math 3F Differential Equations
College of Alameda
Professor Valdez
Spring 2015
Name _
Midterm Exam 3
This exam is due Wednesday, 5/13/15 at 4:30 pm sharp. One point will be deducted from
your exam for
Math 3F - Differential Equations
College of Alameda
Professor Valdez
Spring 201 5
Midterm Exam 1
You will have 1 hour and 25 minutes to complete the entire exam. Please show all of your
work to ensu
Differential Equa
L.
r
Test #2
o")
Tanaka
Ji^nh^o
cfw_
general solution of the Cauchy-Euler equation (x
Find the
L
t
*3)'
y" +3(x +3)y' + 5y
- 0,
x+3>0.
2e-*, y(0)=t, y'(0) -2.
2.
Solvethe initialvalu
Differential Equations
t.
Determine whether
find the solution.
2.
Find an integrating fa
integrating factor solve
t
t
y sinxdx +
(2+
cos
x)dy
:
Q.
3
- x-l-y - (x -1)* Oy any method.
.
\ /
3.
Solve the
Differential
Eq
Assignment #6 - Topics 4.1,-4.4
uations
J;oY'hua
Tanaka
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ti
ln Exercises #1 - 5, solve the given initial value problem using the method of Laplace
tra nsformers.
y"
1,.
3.
6.
y"
-2y'
Assignment
Differe ntia I Eq uations
J;o"hua
L
i
#5
,fft
r.t
Tanaka
I
ln Exercises #1 - 4, solve each equation by the reduction of order. Begin by finding one
nontrivial solution to the related homoge
Differential
Equations
Assignment #4 - Topics 2.2 & 2.3
Tanaka
JiunA*o, L;
ln Exercises #1 - 4, solve each equation by the method of undetermined coefficients.
a
r.
ytt- y:e 2x
+
2.
y"
3.
y" +'7 y = c
Differential
Equations
'
Assignment #2 - Topics t.3 -
')ionhno L;
J-
1.4
Tanaka
I
ln Exercises #1 - 4, (a) Find an integrating factor that is a function of one variable only. (b) lf
you find an integr
Math 3F w Differential Equations
College of Alameda
Professor Valdez
Spring 20i 5
Midterm Exam 2
You will have 1 hour and 45 minutes to complete the entire exam. Piease show all of your
work to ensure