Find the Matrix Product AB, If It Is Defined A) $\mathrm { AB }$

question 64

Multiple Choice

Find the matrix product AB, if it is defined.
- $$A = \left[ \begin{array} { r r } - 1 & 3 \\1 & 6\end{array} \right] , B = \left[ \begin{array} { l l l } 0 & - 2 & 6 \\1 & - 3 & 2\end{array} \right]$$

• A) \(\mathrm { AB }\) is undefined.
• B)
• \[\left[ \begin{array} { r r }
• 0 & - 6 \\
• 18 & 1 \\
• - 18 & 12
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r }
• 3 & 6 & - 7 \\
• - 20 & 0 & 18
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { r r r }
• 3 & - 7 & 0 \\
• 6 & - 20 & 18
• \end{array} \right]\]

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