The inverse matrix of \( \left[\begin{array}{lll}0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & 1 & 1\end{array}\...
The inverse matrix of \( \left[\begin{array}{lll}0 & 1 & 2 \\ 1 & 2 & 3 \\ 3 & 1 & 1\end{array}\right] \), is
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(1) \( \left[\begin{array}{ccc}\frac{1}{2} & -\frac{1}{2} & \frac{1}{2} \\ -4 & 3 & -1 \\ \frac{5}{2} & \frac{-3}{2} & \frac{1}{2}\end{array}\right] \)
(2) \( \left[\begin{array}{ccc}2 & -4 & \frac{5}{2} \\ 1 & -6 & 3 \\ 1 & 2 & -1\end{array}\right] \)
\( \frac{1}{2}\left[\begin{array}{lll}1 & 2 & 3 \\ 3 & 2 & 1 \\ 4 & 2 & 3\end{array}\right] \)
(4) \( \frac{1}{2}\left[\begin{array}{ccc}1 & -1 & -1 \\ -8 & 6 & -2 \\ 5 & -3 & 1\end{array}\right] \)
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