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If \( A=\frac{1}{9}\left[\begin{array}{ccc}-8 & 1 & 4 \\ 4 & 4 & 7 \\ 1 & -8 & 4\end{array}\right] \), prove that \( A^{-1}=A^{T} \)

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THE  ANSWER  IS   HERE  imageimage

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