Identify the indicated submatrix.
-$A = \left[ \begin{array} { r r r | r } 0 & 1 & - 4 & - 5 \ 4 & - 1 & 0 & 7 \ \hline 2 & 5 & - 7 & 0 \end{array} \right]$. Find $A _ { 12 }$
A) $[ 4 ]$
B) 1
C) $\left[ \begin{array} { l l l } 2 & 5 & - 7 \end{array} \right]$
D) $\left[ \begin{array} { r } - 5 \ 7 \end{array} \right]$

Question

Quizplus · Accepted Answer

The Answer of Identify the indicated submatrix.
-$A = \left[ \begin{array} { r r r | r } 0 & 1 & - 4 & - 5 \ 4 & - 1 & 0 & 7 \ \hline 2 & 5 & - 7 & 0 \end{array} \right]$. Find $A _ { 12 }$
A) $[ 4 ]$
B) 1
C) $\left[ \begin{array} { l l l } 2 & 5 & - 7 \end{array} \right]$
D) $\left[ \begin{array} { r } - 5 \ 7 \end{array} \right]$

Identify the Indicated Submatrix A=[01−4−54−10725−70]A = \left[ \begin{array} { r r r | r } 0 & 1 & - 4 & - 5 \\ 4 & - 1 & 0 & 7 \\ \hline 2 & 5 & - 7 & 0 \end{array} \right]A=​042​1−15​−40−7​−570​​​

Identify the Indicated Submatrix $A = \left[ \begin{array} { r r r | r } 0 & 1 & - 4 & - 5 \\ 4 & - 1 & 0 & 7 \\ \hline 2 & 5 & - 7 & 0 \end{array} \right]$