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,e5t]=(5t!1)e5t. In this problem, the point t=15is excluded since that’s where the coefficient of the second derivative term is zero. Thus the Wronskian is
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