a. Show that the wave equation a2uxx = utt can be reduced to the form u = 0 by the
Chapter 10, Problem 13(choose chapter or problem)
a. Show that the wave equation a2uxx = utt can be reduced to the form u = 0 by the change of variables = x at, = x + at. b. Show that u( x, t) can be written as u( x, t) = ( x at) + ( x + at), where and are arbitrary functions.
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