MATH 246 - Dr. Wolfe 
Review
List For Exam #2 (October 26, 2007)
The Exam will cover material in Text: Sections 8.1 - 8.2,   3.1-3.8. 
Chapter 8 
 Concepts: 
 
 - Euler Method.
- Improved Euler Method. 
Problems: -  p.449, Ex. 1(a);  p.456, Ex 1(a). 
Chapter 3
Concepts:
-  Linear second order equation.
- Fundamental set of solutions of linear homogeneous equations. 
-  Wronskian. 
-  Characteristic equation. 
-  Method of undetermined coefficients. 
-  Variation of parameters. 
-  Spring-mass systems. 
-  R-L-C electrical circuits.
Problems:-  p.142, Ex. 9;   p.151, Ex.1;   p.164, Ex. 18;
       p.172, Ex. 12;  
      p.184, Ex. 3, 19(a);   p.190, Ex. 5, 19;   p.203, Ex. 7,12.