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Estudos Gerais08/07/2024

(5) Escreva os elementos da diagonal principal e os da diago...

(5) Escreva os elementos da diagonal principal e os da diagonal secundária das Matrizes quadradas: a) 1231\left|\begin{array}{rr}1 & 2 \\ 3 & -1\end{array}\right| b) 134521672\left|\begin{array}{ccc}-1 & 3 & 4 \\ 5 & 2 & 1 \\ 6 & 7 & 2\end{array}\right| c) [1341125316781123]\left[\begin{array}{cccc}1 & 3 & 4 & 1 \\ -1 & 2 & -5 & 3 \\ 1 & 6 & 7 & 8 \\ -1 & 1 & 2 & 3\end{array}\right]

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