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\(\mathbf{M} \begin{pmatrix} -3 & 4 & 0 \\ 5 & -7 & 0 \\ 0 & 0 & 1 \end{pmatrix} = \mathbf{I}\)

 Nov 4, 2020
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\(\mathbf{M} = \boxed{\begin{pmatrix} -7 & -4 & 0 \\ -5 & -3 & 0 \\ 0 & 0 & 1 \end{pmatrix}}.\)

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 Nov 4, 2020

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