Find the Matrix Product AB for the Partitioned Matrices A) $$\left[ \begin{array} { r r r | r } - 4 & - 1 & 32 & 23 \\- 17 & - 3 & 14 & - 1 \\21 & 11 & 46 & 52\end{array} \right]$$

question 75

Multiple Choice

Find the matrix product AB for the partitioned matrices.
- $$A = \left[ \begin{array} { r r | r } 4 & 0 & 1 \\2 & - 1 & - 3 \\5 & 3 & 7\end{array} \right] , B = \left[ \begin{array} { r r r | r } - 2 & 0 & 8 & 5 \\1 & 6 & 2 & 2 \\\hline 4 & - 1 & 0 & 3\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r r | r }
• - 4 & - 1 & 32 & 23 \\
• - 17 & - 3 & 14 & - 1 \\
• 21 & 11 & 46 & 52
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r r | r }
• - 4 & - 1 & 0 & 3 \\
• - 12 & - 3 & 0 & - 9 \\
• \hline 28 & - 7 & 0 & 21
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r | r }
• - 8 & 0 & 32 & 20 \\
• - 5 & - 6 & 14 & 8 \\
• - 7 & 18 & 46 & 31
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { r r r | r }
• - 4 & - 1 & 32 & 23 \\
• - 17 & - 3 & 14 & - 1 \\
• \hline 21 & 11 & 46 & 52
• \end{array} \right]\]

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