E2RevAns-Pt1 - Math 3323 Fall 2009 Exam 2 Review Problems...

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Math 3323 – Fall 2009 Exam 2 Review – Problems from Old Exams Answers – Part 1 1. (a) Show that each function satisfies the differential equation and that their Wronskian is not zero. In this case, the Wronskian is W [ t , e 5 t ] = (5 t ! 1) e 5 t . In this problem, the point t = 1 5 is excluded since that’s where the coefficient of the second derivative term is zero. Thus the Wronskian is
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