Answers: 2
![AB= \left[\begin{array}{cc} -2 &51 \\-8&33\\0&27&\end{array}\right]](/tpl/images/0719/9245/056d0.png)
"![A= \left[\begin{array}{cc}-1&6\\-4&5\\0&3\end{array}\right]](/tpl/images/0719/9245/68f31.png)
![B=\left[\begin{array}{cc}2&3\\0&9\end{array}\right]](/tpl/images/0719/9245/a784a.png)
B:![AB =\left[\begin{array}{cc}-1 \times 2+6 \times 0 &-1 \times 3+6 \times 9\\ -4 \times 2+5 \times 0& -4 \times 3+5 \times 9\\ 0 \times 2+3 \times 0&-1 \times 2+3\times 9\end{array}\right] \\ \\\\AB =\left[\begin{array}{cc}-2+0 &- 3+54\\ -8+0& -12+45\\ 0+ 0&-2 +27\end{array}\right] \\ \\](/tpl/images/0719/9245/19b4f.png)
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