-
Demuestra que
, siendo las matrices
![A =
\left(
\begin{array}{cccc}
1 & 0 & 1 & 0
\\ 0 & 2 & 0 & 2
\\ 1 & 1 & 1 & 1
\end{array}
\right)
\qquad
B =
\left(
\begin{array}{ccc}
1 & 0 & -1
\\ -1 & 0 & 1
\\ 1 & 0 & 1
\\ 2 & -1 & -2
\end{array}
\right)
A =
\left(
\begin{array}{cccc}
1 & 0 & 1 & 0
\\ 0 & 2 & 0 & 2
\\ 1 & 1 & 1 & 1
\end{array}
\right)
\qquad
B =
\left(
\begin{array}{ccc}
1 & 0 & -1
\\ -1 & 0 & 1
\\ 1 & 0 & 1
\\ 2 & -1 & -2
\end{array}
\right)](local/cache-TeX/f028a01cefc1593a06512247f1d0072e.png)
-
Demuestra que
, siendo las matrices
![A =
\left(
\begin{array}{cccc}
1 & -1 & 1 & -1
\\ 2 & 0 & -2 & 1
\end{array}
\right)
\qquad
B =
\left(
\begin{array}{ccc}
1 & 0 & 1
\\ 0 & 1 & 0
\\ -1 & 1 & -1
\\ 1 & -1 & 1
\end{array}
\right)
A =
\left(
\begin{array}{cccc}
1 & -1 & 1 & -1
\\ 2 & 0 & -2 & 1
\end{array}
\right)
\qquad
B =
\left(
\begin{array}{ccc}
1 & 0 & 1
\\ 0 & 1 & 0
\\ -1 & 1 & -1
\\ 1 & -1 & 1
\end{array}
\right)](local/cache-TeX/aa5a69d366c598b1e3c84de163d7c04f.png)
-
Indica si las siguientes matrices son regulares o singulares:
![A=(5) \qquad B=(-2) \qquad A=(5) \qquad B=(-2) \qquad](local/cache-TeX/4349c62f0bd0fe35a99451d3311aca5b.png)
![C =
\left(
\begin{array}{cc}
1 & 3
\\ 2 & 6
\end{array}
\right)
\qquad
D =
\left(
\begin{array}{cc}
1 & -1
\\ 1 & 1
\end{array}
\right)
C =
\left(
\begin{array}{cc}
1 & 3
\\ 2 & 6
\end{array}
\right)
\qquad
D =
\left(
\begin{array}{cc}
1 & -1
\\ 1 & 1
\end{array}
\right)](local/cache-TeX/f101971e2ec1e4c73b1d1dd538ef8e6f.png)
-
Calcula aplicando la Regla de Sarrus el determinante de la siguiente matriz:
![A =
\left(
\begin{array}{ccc}
1 & -1 & 1
\\ 2 & 0 & 1
\\ 1 & 2 & -1
\end{array}
\right)
A =
\left(
\begin{array}{ccc}
1 & -1 & 1
\\ 2 & 0 & 1
\\ 1 & 2 & -1
\end{array}
\right)](local/cache-TeX/179f73fcedbe2fd49ad36f5143775c7d.png)
-
Sea la matriz
– Calcula su determinante