Question:
For each of the following pairs of matrices $A$ and $B$, verify that $(A B)^{\prime}=\left(B^{\prime} A^{\prime}\right)$ :
$A=\left[\begin{array}{ll}3 & -1 \\ 2 & -2\end{array}\right]$ and $B=\left[\begin{array}{cc}1 & -3 \\ 2 & -1\end{array}\right]$
Solution:
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