Given $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\0 & - 4 & 4 \\1 & 3 & - 2\end{array} \right]$

question 124

Essay

Given $A = \left[ \begin{array} { c c c } - 2 & 0 & 3 \\0 & - 4 & 4 \\1 & 3 & - 2\end{array} \right]$ and $B = \left[ \begin{array} { c c c } 0 & 2 & - 2 \\5 & - 3 & 2 \\1 & - 2 & 0\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

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