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যদি

A^{- 1} = |\begin{matrix} \frac{5}{7} & \frac{1}{7} \\ \frac{3}{7} & \frac{2}{7} \end{matrix}|

A^{2} + 2 A

এর মান নির্ণয় কর।

A^{2} + 2 A = [\begin{matrix} 11 & - 9 \\ - 27 & 38 \end{matrix}]

ANS : 1

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