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M334W10E2

M334W10E2 - Name Student ID Section Instructor Math...

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Name: Student ID: Section: Instructor: Math 334 (Differential Equations) Exam 2 RED February 26 - March 2, 2010 Instructions: For questions which require a written answer, show all your work. Full credit will be given only if the necessary work is shown, justifying your answer. Simplify your answers. Calculators are not allowed. Textbooks are not allowed. Notes are not allowed. Should you have need for more space than is allotted to answer a question, attach your work to the back and indicate this fact. Please do not talk about the exam with other students until after the last day to take the exam. For Instructor use only. # Possible Earned MC 40 9 10 10 10 11 10 12 10 13 10 14 10 Total 100

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Part I: Multiple Choice Mark the correct answer on the bubble sheet provided. 1. Find the solution to the initial value problem 2 y - y - 6 y = 0 , y (0) = 1 , y (0) = 2 . What is y (2)? a) e 4 b) e - 3 c) e 4 + e - 3 d) 2 e 4 + 3 e - 3 e) - e 4 + e - 3 f) e 4 - e - 3 2. Find the solution to the initial value problem y - 2 y + 6 y = 0 , y (0) = 0 , y (0) = 2 .
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