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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
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▭\:\longdivision{▭} | \times \twostack{▭}{▭} | + \twostack{▭}{▭} | - \twostack{▭}{▭} | \left( | \right) | \times | \square\frac{\square}{\square} |
step-by-step
\det\begin{pmatrix}-\frac{1}{9}&\frac{8}{9}&\frac{4}{9}\\\frac{8}{9}&-\frac{1}{9}&\frac{4}{9}\\\frac{4}{9}&\frac{4}{9}&-\frac{7}{9}\end{pmatrix}
en
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