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OpenStudy (anonymous):
solve: \[\frac{a^{2}}{2}\left[\begin{matrix}x & \frac{1}{x} & 1 \\ y & \frac{1}{y}& 1\\ z & \frac{1}{z}& 1\end{matrix}\right]\]
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OpenStudy (unklerhaukus):
its a thing
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