Find AB, If Possible $A = \left[ \begin{array} { r r r } - 7 & 7 & - 5 \\ 3 & 9 & 3 \\ 8 & - 9 & 1 \end{array} \right]$

Multiple Choice

Find AB, if possible.
- $A = \left[ \begin{array} { r r r } - 7 & 7 & - 5 \\ 3 & 9 & 3 \\ 8 & - 9 & 1 \end{array} \right]$ and $B = \left[ \begin{array} { r } 5 \\ 8 \\ - 1 \end{array} \right]$

A) $\left[ \begin{array} { r } 7 \\ 27 \\ 12 \end{array} \right]$

B) $\left[ \begin{array} { l l l } 26 & 84 & - 33 \end{array} \right]$

C) Not possible

D) $\left[ \begin{array} { r } 26 \\ 84 \\ - 33 \end{array} \right]$