Question: Show that Eqs. (2.64) and (2.65), which are plane waves of arbitrary form, satisfy the three-dimensional differential wave equation. (x, y, z, t) = f(x

Show that Eqs. (2.64) and (2.65), which are plane waves of arbitrary form, satisfy the three-dimensional differential wave equation.

(x, y, z, t) = f(æx + By + yz – vt) b(x, y, z, t) = g(ax + By + yz + vt) (2.64) %3D (2.65)

(x, y, z, t) = f(x + By + yz vt) b(x, y, z, t) = g(ax + By + yz + vt) (2.64) %3D (2.65)

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