Buddhayourlord&savoir
Find the product. Matrices help! {{5, 5, -2, 3}}{{-4, 9, 8, 7}}
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itsmylife
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is that a row matrix
itsmylife
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[-20,45,-16,21]
itsmylife
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hmm
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\[\left[\begin{matrix}5 & 5 \\ -2 & 3\end{matrix}\right]\left[\begin{matrix}-4 & 9 \\ 8 & 7\end{matrix}\right]=\left[\begin{matrix}(5*-4)+(5*8) & ? \\ ? & ?\end{matrix}\right]\]nd now you can do it
itsmylife
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npe
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|dw:1375486436408:dw| this is the correct answer
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np mate ;)