Zusammenfassung der Ressource
Frage 1
Frage
Considere a matriz \(A = \left( \begin{array}{rr}
2 & 1 \\
1 & 3
\end{array}\right)\). Calcule Det(A).
Frage 2
Frage
Seja \(A = \left( \begin{array}{rrr}
2 & 0 & 2 \\
1 & 5 & 6\\
-1 & 3 & 4
\end{array}\right)\). Calcule Det(A).
Frage 3
Frage
Calcular o valor de \(x\), sabendo que \(A = \left| \begin{array}{rrr}
3x & -3 & -1 \\
1 & 0 & 3\\
4 & 2 & 2x-1
\end{array}\right|\) = 0.
Antworten
-
\(x=-\frac{41}{12}\)
-
\(x=-41\)
-
\(x=-\frac{41}{13}\)
-
\(x=-\frac{42}{13}\)