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যদি

A = (\frac{1}{3} \frac{2}{4})

A^{- 1} = ?

\frac{1}{2} (\frac{4}{- 2} \frac{- 3}{1})

\frac{1}{2} (\frac{4}{- 3} \frac{- 2}{1})

\frac{1}{2} (\frac{4}{- 2} \frac{- 3}{1})

- \frac{1}{2} (\frac{4}{- 3} \frac{- 2}{1})

ANS : 4

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