Math122-200802-Exam-3-with-solutions

# Math122-200802-Exam-3-with-solutions - Exam Three MATH 122...

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Exam Three MATH 122 Winter, 2009 1 of 9 Name _______________________________ Section _____ Show all your work on the exam paper, legibly and in detail, to receive full credit. The use of a calculator or any other electronic device is prohibited. You may only use techniques discussed to date in class. You must simplify all answers unless you are explicitly instructed not to. 1. For both parts a) and b), write out the form of the partial fraction decomposition. Do NOT find the numerical values of the coefficients. a. (10 pts) ! " #\$ ! % #! & b. (5 pts) ! " '(! & #\$ ! & '(!'± Hint: Don’t forget to examine the highest powers of x in the numerator and denominator. Pts P1- 15pts P2- 15pts P3- 10 pts P4- 15pts P5- 15pts P6- 10pts P 7- 20pts Total S c o r e

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Exam Three MATH 122 Winter, 2009 2 of 9 2. (a) (10 pts) Find the partial fraction expansion for the following function. To get full credit, you must find the numerical values of the coefficients in the partial fraction expansion. *+ \$ ±- +./ 0 1+ . 2 30 +.2 3 0+ ± 23 (b)(5 pts) Evaluate the following integral: 4 *+ \$ 0 1+ . 2 3 0+ ± 23 5+
Exam Three MATH 122 Winter, 2009 3 of 9 3. (10 pts) Consider the differential equation :

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## This note was uploaded on 02/24/2010 for the course MATH 122 taught by Professor Falco during the Winter '08 term at Drexel.

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Math122-200802-Exam-3-with-solutions - Exam Three MATH 122...

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