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$A = (\begin{matrix} 2 & - 3 \\ 1 & 5 \end{matrix})$ $B = (\begin{matrix} 1 & 3 \\ 2 & - 1 \end{matrix})$ হলে A,B হবে-

(\begin{matrix} - 4 & 9 \\ 10 & 5 \end{matrix})

(\begin{matrix} - 4 & 9 \\ - 11 & 2 \end{matrix})

(\begin{matrix} - 4 & 9 \\ 11 & - 2 \end{matrix})

(\begin{matrix} - 4 & 9 \\ 11 & 2 \end{matrix})

ANS : 3

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