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Questions  >>  EAMCET  >>  Mathematics
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Q)

$A=\begin{bmatrix} 1 & 0 & 1\\ 0 & 1 & 1 \\ 0 & 1 & 0\end{bmatrix} \;=>\;A^2-2A=$

\[\begin {array} {1 1} (a)\;A^{-1} & \quad (b)\;-A^{-1} \\ (c)\;I & \quad (d)\;-I \end {array}\]

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