# Test1 - Math 306 Test 1 Printed Name Please carefully work...

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• UltraLightningLyrebird8361
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Math 306 – Test 1 Printed Name: Please carefully work all of the following problem(s). You must SHOW YOUR WORK to receive ANY credit! This test has a total of 150 points. H indicates a “By Hand” problem where technology is not allowed. One exception is the Apart command which may be used at any time. T indicates a “Technology” problem where you :::: may use Mathematica or a calculator. You must still show the steps taken. For example, Z 5 1 (1 - x ) 7 dx = - 8 , 192 is valid. Giving the answer - 8 , 192 without the integral is not. Please put your name on computer work as well as the problem number! Do not use DSolve or NDSolve unless otherwise directed (except for checking your work). 1 Solve the following initial value problems. H A 9 pts [2] dy dx = ye x , y (0) = 2 e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H B 9 pts [2] xy 0 + 3 y = 2 x 5 , y (2) = 1. Dr. Emmert Fall 2010 I of III Points Earned of of 18

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Math 306 – Test 1 2 Consider the differential equation ( cos( x ) + ln( y ) ) dx + x y + e y dy = 0.
• Spring '11
• KeithEmmert
• Math, Trigraph, ........., Dr. Emmert

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