Show that each of the following functions is a solution of the wave equation ut t a2
Chapter 9, Problem 69(choose chapter or problem)
Show that each of the following functions is a solution of the wave equation ut t a2 uxx. (a) u sinskxd sinsaktd (b) u tysa2 t 2 2 x 2 d (c) u sx 2 atd 6 1 sx 1 atd 6 (d) u sinsx 2 atd 1 lnsx 1 atd
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