Find the Indicated Matrix $\mathrm { A } = \left[ \begin{array} { r r r } 6 & - 5 & 5 \\ - 3 & - 6 & 5 \end{array} \right]$

question 75

Multiple Choice

Find the indicated matrix.
-Let $\mathrm { A } = \left[ \begin{array} { r r r } 6 & - 5 & 5 \\ - 3 & - 6 & 5 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r r } - 8 & - 1 & 6 \\ - 4 & - 8 & 6 \\ - 9 & - 3 & - 5 \end{array} \right]$ . Find $\mathrm { AB }$

• A) \(\left[ \begin{array} { r r r } - 48 & 5 & 30 \\ 12 & 48 & 30 \\ 27 & 18 & - 25 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r } - 73 & 19 & - 19 \\ 3 & 36 & - 79 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r } 6 & - 5 & 5 \\ - 3 & - 6 & 5 \\ - 8 & - 6 & 5 \\ - 4 & - 8 & 6 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r } - 73 & 3 \\ 19 & 36 \\ - 19 & - 79 \end{array} \right]\) -9 -9 -5

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Definitions:

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is an American economist known for his research on inequality, education, and race, particularly in the context of the United States.