2 5 6
1 6 7
-1 2 3
calcular o determinante :
Soluções para a tarefa
Respondido por
2
Resolvendo pela regra de Sarrus:
![\left[\begin{array}{ccc}2&5&6\\1&6&7\\-1&2&3\end{array}\right] \left[\begin{array}{ccc}2&5\\1&6\\-1&2\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%26amp%3B5%26amp%3B6%5C%5C1%26amp%3B6%26amp%3B7%5C%5C-1%26amp%3B2%26amp%3B3%5Cend%7Barray%7D%5Cright%5D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%26amp%3B5%5C%5C1%26amp%3B6%5C%5C-1%26amp%3B2%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}2&5&6\\1&6&7\\-1&2&3\end{array}\right] \left[\begin{array}{ccc}2&5\\1&6\\-1&2\end{array}\right]")
Helvio:
De nada.
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