If the product of the roots of the equations $x^{2}-5kx+2e^{2\log_{e}|k|}-1=0$ is $49$, then the sum of the square of the roots of the equations is
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If the product of the roots of the equations $x^{2}-5kx+2e^{2\log_{e}|k|}-1=0$ is $49$, then the sum of the square of the roots of the equations is