यदि \( A=\left[\begin{array}{rrr}1 & 3 & -1 \\ 2 & 2 & -1 \\ 3 & 0 & -1\end{array}\right] \) और ...
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यदि \( A=\left[\begin{array}{rrr}1 & 3 & -1 \\ 2 & 2 & -1 \\ 3 & 0 & -1\end{array}\right] \) और \( B=\left[\begin{array}{rrr}-2 & 3 & -1 \\ -1 & 2 & -1 \\ -6 & 9 & -4\end{array}\right] \), तो दिखाइए कि \( A B=B A \).
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