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A = (\begin{matrix} - 1 & - 3 \\ 2 & 4 \end{matrix})

A^{- 1}

সমান কত?

\frac{1}{2} (\begin{matrix} 4 & 3 \\ - 2 & - 1 \end{matrix})

- \frac{1}{2} (\begin{matrix} 1 & 3 \\ 2 & - 4 \end{matrix})

\frac{1}{2} (\begin{matrix} 4 & 2 \\ - 3 & - 1 \end{matrix})

- \frac{1}{10} (\begin{matrix} 4 & 3 \\ - 2 & - 1 \end{matrix})

ANS : 1

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