Find the product, AB, if possible.
-$$A = \left[ \begin{array} { r r r }
3 & - 2 & 1 \
0 & 4 & - 3
\end{array} \right] , B = \left[ \begin{array} { r r }
4 & 0 \
- 2 & 3
\end{array} \right]$$
A) $\left[ \begin{array} { r r } 12 & 0 \ 0 & 12 \end{array} \right]$

B) $A B$ is not defined.

C) $\left[ \begin{array} { r r r } 12 & - 8 & 4 \ - 6 & 16 & - 11 \end{array} \right]$

D) $\left[ \begin{array} { r r } 12 & - 6 \ - 8 & 16 \ 4 & - 11 \end{array} \right]$

Question

Find the product, AB, if possible.
-$$A = \left[ \begin{array} { r r r } 
3 & - 2 & 1 \
0 & 4 & - 3
\end{array} \right] , B = \left[ \begin{array} { r r } 
4 & 0 \
- 2 & 3
\end{array} \right]$$
A) $\left[ \begin{array} { r r } 12 & 0 \ 0 & 12 \end{array} \right]$

B) $A B$ is not defined.

C) $\left[ \begin{array} { r r r } 12 & - 8 & 4 \ - 6 & 16 & - 11 \end{array} \right]$

D) $\left[ \begin{array} { r r } 12 & - 6 \ - 8 & 16 \ 4 & - 11 \end{array} \right]$

Quizplus · Accepted Answer

The product AB is not defined because the number of columns in matrix A (3 columns) does not match the number of rows in matrix B (2 rows).

Find the Product, AB, If Possible A) [120012]\left[ \begin{array} { r r } 12 & 0 \\ 0 & 12 \end{array} \right][120​012​]

Find the Product, AB, If Possible A) $\left[ \begin{array} { r r } 12 & 0 \\ 0 & 12 \end{array} \right]$