F-WTB/rootMatrix.md Secret

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rootMatrix.md

$\begin{align*} A^{1/2} =\frac1{\sqrt{\tr A+2\sqrt{\det A}}}\begin{pmatrix} a_{11}+\sqrt{\det A} & a_{12} \\ a_{21} & a_{22}+\sqrt{\det A} \end{pmatrix} \end{align*}$

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