Differential Equations For App enrollment Restrictionssee Catalog
MATH 3410

Spring 2009
Math 3410, Fall 2009 Second semester dierential equations 1
1.1
Some review
First order equations
We will need to know how to do separable equations and linear equations. A separable equation is one like dy = ty 2 . dt We can rewrite this as dy = t dt. y2
Math 3410  Differential Equations for Applications
Fall 2011
Section: 001 Days/Time: TuTh 9:30  10:45 Classroom: Castleman 204
Professor: Jay Wilkins
Office: MSB 412
Office Hours: Tuesday, Thursday 11 AM  12 PM, or by appointment if necessary
Email: le
Exam 1 Math 3410Q
Name
Instructions. You have 50 minutes for this exam. Write down your steps.
1. Consider rst order ODE
y0 =
(a) (4 pts) Find integral factor
y + t2
(t) :
(b) (8 pts) Find general solution and determine the behavior of y(t) as t ! 1:
(c)