
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:Consider the function f(x, t) = (x − ct)4 + (x + ct)4 where c is a constant. Calculate
2 f
0x2
Incorrect
a f
at²
Incorrect
=
=
2 f
dx²
2 f
and
at²
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