Math 427K Exam 2
Name:
UT EID:
Instructions
Please put your name and UT EID in the space provided.
There are 4 questions each worth 10 points.
You have 50 minutes to complete the test.
Please write your working and solutions on the test paper. You may
Math 427K Exam 3
Name:
UT EID:
Instructions
Please put your name and UT EID in the space provided.
There are 4 questions each worth 10 points.
You have 50 minutes to complete the test.
Please write your working and solutions on the test paper. You may
Final Review
Chapters 1 through 8 and 10
Chapter 1 - Introduction
1. Dierential Equation: derivative and an equal sign.
2. Dependent Variable: varies as a function of another variable.
3. Independent Variable: does not vary with any other variables.
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PRACTICE EXAM 1
Directions: This exam is meant to suggest the kind, di culty, and
number of problems on the real exam. Note that topics covered in the
course, but not included on this practice exam, still might appear on
the real exam. Set aside 50
Math 427K
Practice Exam 2, Fall 2011
1. (15 pts)Find the general solution of y (4)
16y = 0.
2. For the DE 2x2 y 00 + 3xy 0 + (2x2 1)y = 0, (x > 0)
(a) (10 pts) Show that x = 0 is a regular singular point.
(b) (10 pts) Find the roots of the indicial equati