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Matrices & Systems · Medium problem

Let A=(−1313−22)A = \begin{pmatrix}-1 & 3 & 1 \\ 3 & -2 & 2\end{pmatrix} and B=(4−10−2−22)B = \begin{pmatrix}4 & -1 \\ 0 & -2 \\ -2 & 2\end{pmatrix}. Find the entry in row 22, column 22 of ABAB.