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how do i show that v(x,t)=u(x,t)-u_{e}(x) satisfies the wave equation? =(
i get that u_{e}(x)=gx^{2}/2c^{2} + ax + b where a and x are just constants but how does this satisfy the wave equation?
i get that u_{e}(x)=gx^{2}/2c^{2} + ax + b where a and x are just constants but how does this satisfy the wave equation?