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Unformatted text preview: First Midterm October 2, 2009 NAME (Please print) Question Score 1 2 3 4 5 Total (Max Possible: 100) Instructions: 1. All questions are worth 20 points. 2. No calculators, computers, notes, books are permitted. 3. Do all computations on the examination paper. You may use the backs of the pages if necessary. Make your work readable . 4. Put answers inside the boxes (when applicable). 5. Please signify your adherence to the honor code: I, , have neither given nor received aid in completion of this examination. 1 QUESTION 1 Score Consider the differential equation: dy dx = x + 2 y 2 x 4 y 1. (5 points) Is the equation exact? 2. (5 points) It is possible to perform a change of variable which turns the equation above into a separable equation. Write down the change of variable and the separable equation which is derived from the equation above. 2 QUESTION 1 3. (10 points) Solve the equation....
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 Fall '07
 Trangenstein

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