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Unformatted text preview: Exam #1 APPM 1360 Spring 2007 ON THE FRONT OF YOUR BLUEBOOK write: (1) your name, (2) your student ID number, (3) lecture section (4) your instructor’s name, and (5) a grading table. You must work all of the problems on the exam. Show ALL of your work in your bluebook and box in your final answer. A correct answer with no relevant work may receive no credit, while an incorrect answer accompanied by some correct work may receive partial credit. Text books, class notes and calculators are NOT permitted. 1. ( 24 points, 8 each ) Integrate the following: (a) Z tanh x ln ( cosh x ) d x , (b) Z 2 1 x + 2 x 2 + x d x , (c) Z ( 5- 3 x ) e 2 x d x 2. ( 16 points, 8 each ) Consider the following di ff erential equation and initial condition: cosh x d y d x + sinh x y = e- x , y ( ) = (a) Solve the equation with this initial condition. (b) Verify your solution by directly substituting it to the equation....
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This note was uploaded on 05/01/2008 for the course APPM 1360 taught by Professor Lim,jisun during the Spring '06 term at Colorado.
- Spring '06