Multivariable Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 0-53849-787-4
ISBN 13: 978-0-53849-787-9

Chapter 17 - Second-Order Differential Equations - Review - True-False Quiz - Page 1193: 1

Answer

True

Work Step by Step

By linearity of differentiation, $(y_{1}+y_{2})''=y_{1}''+y_{2}''$, so $(y_{1}+y_{2})''+(y_{1}+y_{2})=(y_{1}''+y_{1})+(y_{2}''+y_{2})=0+0=0$.
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