Let y1(x, t) = Acos (k1x w1t) and Y2(x,t) =Acos(k, x - w2t) be two solutions

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Let y1(x, t) = Acos (k1x – w1t) and Y2(x,t) =Acos(k, x - w2t) be two solutions to the wave equation, Eq. (I5.12), for the same u. Show that y(x, t) =y,(x, t) + Y2(x, t) is also a solution to the wave equation.
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Applied Linear Algebra

ISBN: 978-0131473829

1st edition

Authors: Peter J. Olver, Cheri Shakiban

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