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Inverse of a 3x3 matrix

Problem

F=[020220212]\textbf F = \left[\begin{array}{rrr}0 & 2 & 0 \\ 2 & 2 & 0 \\ 2 & 1 & 2\end{array}\right]
What is start bold text, F, end bold text, start superscript, minus, 1, end superscript?
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