Find B - A.
-$$A = \left[ \begin{array} { r r }
2 & 6 \
4 & 4 \
2 & - 7
\end{array} \right] , B = \left[ \begin{array} { r r }
- 7 & 6 \
- 5 & - 4 \
7 & 6
\end{array} \right]$$
A) $\left[ \begin{array} { r r } - 5 & 12 \ - 1 & 0 \ 9 & - 1 \end{array} \right]$
B) $\left[ \begin{array} { r r } 9 & 0 \ 9 & 8 \ - 5 & - 13 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 9 & 0 \ - 9 & - 8 \ 5 & 13 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 7 & 12 \ - 5 & 0 \ 7 & - 1 \end{array} \right]$

Question

Find B - A.
-$$A = \left[ \begin{array} { r r } 
2 & 6 \
4 & 4 \
2 & - 7
\end{array} \right] , B = \left[ \begin{array} { r r } 
- 7 & 6 \
- 5 & - 4 \
7 & 6
\end{array} \right]$$
A) $\left[ \begin{array} { r r } - 5 & 12 \ - 1 & 0 \ 9 & - 1 \end{array} \right]$
B) $\left[ \begin{array} { r r } 9 & 0 \ 9 & 8 \ - 5 & - 13 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 9 & 0 \ - 9 & - 8 \ 5 & 13 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 7 & 12 \ - 5 & 0 \ 7 & - 1 \end{array} \right]$

Quizplus · Accepted Answer

The Answer of Find B - A.
-$$A = \left[ \begin{array} { r r } 
2 & 6 \
4 & 4 \
2 & - 7
\end{array} \right] , B = \left[ \begin{array} { r r } 
- 7 & 6 \
- 5 & - 4 \
7 & 6
\end{array} \right]$$
A) $\left[ \begin{array} { r r } - 5 & 12 \ - 1 & 0 \ 9 & - 1 \end{array} \right]$
B) $\left[ \begin{array} { r r } 9 & 0 \ 9 & 8 \ - 5 & - 13 \end{array} \right]$
C) $\left[ \begin{array} { r r } - 9 & 0 \ - 9 & - 8 \ 5 & 13 \end{array} \right]$
D) $\left[ \begin{array} { r r } - 7 & 12 \ - 5 & 0 \ 7 & - 1 \end{array} \right]$

Find B - A A) [−512−109−1]\left[ \begin{array} { r r } - 5 & 12 \\ - 1 & 0 \\ 9 & - 1 \end{array} \right]​−5−19​120−1​​

Find B - A A) $\left[ \begin{array} { r r } - 5 & 12 \\ - 1 & 0 \\ 9 & - 1 \end{array} \right]$