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Mathematics, 19.07.2019 19:20 erees9653

show that the differential equation (on the left) is a solution of the function (on the right)
d^2u/dt^2 = a^2 * (d^2u/dx^2) u(x, t) = f(x-at) + g(x+at)

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show that the differential equation (on the left) is a solution of the function (on the right)
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