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Find the Product, AB, If Possible A) [1218536530161612]\left[ \begin{array} { r r r } 12 & 18 & 5 \\ - 36 & 5 & 30 \\ 16 & - 16 & 12 \end{array} \right]

Question 51

Multiple Choice

Find the product, AB, if possible.
- A=[221655444],B=[695616443]A = \left[ \begin{array} { r r r } - 2 & - 2 & - 1 \\6 & 5 & - 5 \\4 & - 4 & 4\end{array} \right] , B = \left[ \begin{array} { r r r } - 6 & - 9 & - 5 \\- 6 & 1 & - 6 \\4 & 4 & 3\end{array} \right]


A) [1218536530161612]\left[ \begin{array} { r r r } 12 & 18 & 5 \\ - 36 & 5 & 30 \\ 16 & - 16 & 12 \end{array} \right]

B) [221655444695616443]\left[ \begin{array} { r r r } - 2 & - 2 & - 1 \\ 6 & 5 & - 5 \\ 4 & - 4 & 4 \\ - 6 & - 9 & - 5 \\ - 6 & 1 & - 6 \\ 4 & 4 & 3 \end{array} \right]

C) [208616121224197516]\left[ \begin{array} { r r r } 20 & - 86 & 16 \\ 12 & 12 & - 24 \\ 19 & - 75 & 16 \end{array} \right]

D) [201219866975162416]\left[ \begin{array} { r r r } 20 & 12 & 19 \\ - 86 & - 69 & - 75 \\ 16 & - 24 & 16 \end{array} \right]

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