Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 14 - Exercises and Problems - Page 264: 70


The proof is below.

Work Step by Step

We take the second order partial derivatives with respect to x and t and plug them into equation 14.5 to find: $f''(x\pm vt)=\frac{1}{v^2}f''(x\pm vt)\times v^2$ $f''(x\pm vt)=f''(x\pm vt)$ Thus, the proof is complete.
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