Given $A = \left[ \begin{array} { c c c } 2 & 5 & - 3 \\3 & - 2 & 0 \\4 & 2 & 2\end{array} \right]$

question 19

Essay

Given $A = \left[ \begin{array} { c c c } 2 & 5 & - 3 \\3 & - 2 & 0 \\4 & 2 & 2\end{array} \right]$ and $B = \left[ \begin{array} { c c } - 1 & 5 \\0 & 25\end{array} \right]$ , find $A - B$ , or explain why the operation cannot be performed.

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