A) $\left[ \begin{array} { l l } 72 & 53\end{array} \right]$

question 177

Multiple Choice

$A = \left[ \begin{array} { r } 3 \\- 2 \\6\end{array} \right] \text { and } B = \left[ \begin{array} { r r } 8 & 7 \\- 3 & - 1 \\7 & 5\end{array} \right]$

• A) \(\left[ \begin{array} { l l }
• 72 & 53
• \end{array} \right]\)
• B) not possible
• C) \(\left[ \begin{array} { l }
• 72 \\
• 53
• \end{array} \right]\)
• D) \(\left[ \begin{array} { r }
• 42 \\
• 8 \\
• 72
• \end{array} \right]\)

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