Differential Midterm_2008

# Differential - Hi Everyone Here's the Fall 2008 midterm for you to try TRY IT i.e put away all your notes and textbooks and give yourself 75

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Hi Everyone! Here’s the Fall 2008 midterm for you to try. TRY IT!!! i.e. put away all your notes and textbooks, and give yourself 75 minutes. We’ll post solutions in a few days, but try it before you look at them!!! 1. (4 marks each; total 12 marks) Answer each question in the space provided. You MUST show all of your work. a) Consider the following linear first-order differential equation: 3 sin 3 x y y x . What is the appropriate integrating factor to help solve this equation? (Just find the integrating factor, but do NOT actually solve the equation). b) Find all values of m so that m x is a solution of the differential equation 0 2 2 2 y y x y x c) Find the general solution of the differential equation 0 ) 16 )( 9 )( 1 ( 2 2 2 y D D D .

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MATH2860U Midterm October, 2008 2 2. (7 marks) Find the general solution of the differential equation 0 1 2 ) 4 ( 4 2 3 dx dy y y x e y x x
MATH2860U Midterm October, 2008

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## This note was uploaded on 11/10/2010 for the course DEFFERENTI 2080 taught by Professor Kidnan during the Spring '10 term at UOIT.

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Differential - Hi Everyone Here's the Fall 2008 midterm for you to try TRY IT i.e put away all your notes and textbooks and give yourself 75

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