If possible,find AB. $$A = \left[ \begin{array} { c c }
- 5 & 1 \
7 & 5 \
8 & 8
\end{array} \right] , B = \left[ \begin{array} { c }
- 4 \
8
\end{array} \right]$$
A) $$\left[ \begin{array} { c }
12 \
- 68 \
- 96
\end{array} \right]$$
B) $$\left[ \begin{array} { l }
28 \
12 \
32
\end{array} \right]$$
C) $$\left[ \begin{array} { c c }
20 & 8 \
- 28 & 40 \
- 32 & 64
\end{array} \right]$$
D) $$\left[ \begin{array} { l l l }
12 & - 68 & - 96
\end{array} \right]$$
E)not possible

Question

If possible,find AB. $$A = \left[ \begin{array} { c c } 
- 5 & 1 \
7 & 5 \
8 & 8
\end{array} \right] , B = \left[ \begin{array} { c } 
- 4 \
8
\end{array} \right]$$
A) $$\left[ \begin{array} { c } 
12 \
- 68 \
- 96
\end{array} \right]$$
B) $$\left[ \begin{array} { l } 
28 \
12 \
32
\end{array} \right]$$
C) $$\left[ \begin{array} { c c } 
20 & 8 \
- 28 & 40 \
- 32 & 64
\end{array} \right]$$
D) $$\left[ \begin{array} { l l l } 
12 & - 68 & - 96
\end{array} \right]$$
E)not possible

Quizplus · Accepted Answer

The Answer of If possible,find AB. $$A = \left[ \begin{array} { c c } 
- 5 & 1 \
7 & 5 \
8 & 8
\end{array} \right] , B = \left[ \begin{array} { c } 
- 4 \
8
\end{array} \right]$$
A) $$\left[ \begin{array} { c } 
12 \
- 68 \
- 96
\end{array} \right]$$
B) $$\left[ \begin{array} { l } 
28 \
12 \
32
\end{array} \right]$$
C) $$\left[ \begin{array} { c c } 
20 & 8 \
- 28 & 40 \
- 32 & 64
\end{array} \right]$$
D) $$\left[ \begin{array} { l l l } 
12 & - 68 & - 96
\end{array} \right]$$
E)not possible

If Possible,find AB A=[−517588],B=[−48]A = \left[ \begin{array} { c c } - 5 & 1 \\7 & 5 \\8 & 8\end{array} \right] , B = \left[ \begin{array} { c } - 4 \\8\end{array} \right]A=​−578​158​​,B=[−48​]

If Possible,find AB $A = \left[ \begin{array} { c c } - 5 & 1 \\7 & 5 \\8 & 8\end{array} \right] , B = \left[ \begin{array} { c } - 4 \\8\end{array} \right]$