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Given A=[3−122]A = \left[ \begin{array} { c c } 3 & - 1 \\2 & 2\end{array} \right]

Question 23

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Given A=[3−122]A = \left[ \begin{array} { c c } 3 & - 1 \\2 & 2\end{array} \right] and B=[23−15]B = \left[ \begin{array} { c c } 2 & 3 \\- 1 & 5\end{array} \right] , find ABA B , or explain why the operation cannot be performed.

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