Elementary Differential Equations and Boundary Value Problems 9th Edition

Published by Wiley
ISBN 10: 0-47038-334-8
ISBN 13: 978-0-47038-334-6

Chapter 3 - Second Order Linear Equations - 3.2 Solutions of Linear Homogenous Equations; the Wronskian - Problems - Page 155: 3



Work Step by Step

$W(e^{-2t},te^{-2t}) = |\begin{matrix} e^{-2t} & te^{-2t}\\ -2e^{-2t} & e^{-2t}(1-2t)\\ \end{matrix}| = e^{-4t}-2te^{-4t}-(-2te^{-4t}) = e^{-4t}$
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