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OpenStudy (anonymous):
show that A and B do not commute by computing AB and BA. what do you notice about the size of each product
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OpenStudy (anonymous):
\[A= \left[\begin{matrix}5 & 7 \\ 2 & -3\\3&8\end{matrix}\right]\]
OpenStudy (anonymous):
\[B=\left[\begin{matrix}1 & -1&4 \\ 3 & -2&1\end{matrix}\right]\]
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