MA232_Test3_Practice

# MA232_Test3_Practice - problems 9-16 on pg. 253. 2 Systems...

This preview shows page 1. Sign up to view the full content.

MA232 Fall 2008 Test 3 Practice November 2, 2008 The answers to the practice problems below will be posted on the website soon. 1 Method of Undetermined Coeﬃcients Solve problems 22, 24, 26-28, 34, 36, 43, 45, and 49 from pgs. 253-254. I would start with the last 3 for practice with initial conditions. Also look at problem 2(a-c) from the summer test. There will be 3 problems like this, each worth 25 points. These 3 problems will not have mixed forcing functions and you will not need to use the modiﬁcation rule. A 10 pt. bonus problem will be on the test dealing with these topics. For examples of that, look at
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: problems 9-16 on pg. 253. 2 Systems of DEs Reduce the following higher order DEs into systems of 1 st order DEs with corresponding initial conditions. Then put the systems and initial conditions in matrix form. Also look at problem 1(a, b) from the summer test. There will be 2 problems like this worth together 25 pts. 6 x 00 + x = t 2 , x (0)=1, x (0)=0 x 00 + 8= x , x (0)=0, x (0)=1 ( x 000 + x )(1-t )=0, x (0)=1, x (0)=2, x 00 (0)=3 d 4 x dt 4 +2 d 3 x dt 3 +3 d 2 x dt 2 +4 x =0, x (0)=1, x (0)=2, x 00 (0)=0, x 000 (0)=1 1...
View Full Document

## This note was uploaded on 08/31/2009 for the course MA 232 taught by Professor Toland during the Spring '08 term at Clarkson University .

Ask a homework question - tutors are online