Find the Indicated Matrix Product or State That the Product $$A = \left[ \begin{array} { l } 9 \\9\end{array} \right] , B = \left[ \begin{array} { r r } 5 & 2 \\- 6 & 3\end{array} \right]$$

Multiple Choice

Find the indicated matrix product or state that the product is undefined.
- $$A = \left[ \begin{array} { l } 9 \\9\end{array} \right] , B = \left[ \begin{array} { r r } 5 & 2 \\- 6 & 3\end{array} \right]$$
$\mathrm { AB }$

A) Undefined
B)
$$\left[ \begin{array} { r r } 45 & 18 \\- 54 & 27\end{array} \right]$$
C)
$$\left[ \begin{array} { r } 63 \\- 27\end{array} \right]$$
D)
$\left[ \begin{array} { l l } - 9 & 45 \end{array} \right]$