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Mathematics 7 Online
OpenStudy (anonymous):

A and B are matrices. Generally (A*B)

OpenStudy (anonymous):

\[(AB)^{-1} = B^{-1}A^{-1} \]

OpenStudy (anonymous):

\[(AB)^{-1} = A^{-1}B^{-1} <=> AB = BA\]

OpenStudy (experimentx):

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