232sampleexam3 - MA 23200 NAME: Exam 3 PUID: INSTRUCTIONS...

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Unformatted text preview: MA 23200 NAME: Exam 3 PUID: INSTRUCTIONS No books or notes are allowed. You may use a one-line scientific calculator. No other electronic device is allowed. Be sure to turn off your cellphone. Show all your work in the space provided. Little or no credit may be given for an answer with insufficient or inconsistent work, even if the answer happens to be correct. Write answers in the boxes provided. All answers are expected to be simplified ( 2 4 1 2 , 2 x + x 3 x , e ln2 2, etc). Question Possible Score 1 5 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 10 10 15 To approximate the solution to y = f ( x,y ), y ( x ) = y using Eulers method with increments of x , we use the formula y n +1 = y n + f ( x n ,y n ) x where y n = y ( x n ). 1 1.) (5 pts) Consider the initial value problem y + 1 x 2- 1 y = sin x 2 x- 9 y (2) = 0 . What is the largest interval on which a unique continuous solution will exist?...
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This note was uploaded on 01/21/2012 for the course MA 23200 taught by Professor Josephchen during the Spring '11 term at Purdue University-West Lafayette.

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232sampleexam3 - MA 23200 NAME: Exam 3 PUID: INSTRUCTIONS...

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