Question: Show that if (x) is differentiable and c 0 is a constant, then u(x, t) = (x ct) satisfies the so-called advection equation

Show that if ƒ(x) is differentiable and c ≠ 0 is a constant, then u(x, t) = ƒ(x − ct) satisfies the so-called advection equation

+c- t = 0

+c- t = 0

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