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Determinante de uma matriz quadrada de ordem 4: A = (12211234−133−12211)\begin{pmatrix} 1 & 2 & 2 & 1 \\ 1 & 2 & 3 & 4 \\ -1 & 3 & 3 & -1 \\ 2 & 2 & 1 & 1 \end{pmatrix}11−122232233114−11
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