Solved: In each of 19 through 21, verify that each given function is a solution of the
Chapter 1, Problem 20(choose chapter or problem)
In each of 19 through 21, verify that each given function is a solution of the given partial differential equation. 2uxx = ut ; u1( x, t) = e2t sin x, u2( x, t) = e22t sin x, a real constant
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