The differential equation of a wave is
(a) d² y / dt² = v²d² y / dx²
(b) d² y / dx² = v²d²y / dt²
(c) d² y / dx² = 1 d² y / dt²
v
(d) d ² y / dx² = -vd² y / dt²
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Answer:
option (d) d^2 y / dx^2 = - vd^2 y /dt ^2
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option (d) d^2 y / d×^2 = -vd ^2y / dt ^ 2
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