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291 bytes added , 13:48, February 20, 2010

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An '''invertible matrix''' ''A'' is one that has a corresponding [[matrix]] ''B'' such that:

:''AB'' = ''BA'' = 1

A matrix is invertible if and only if it has a nonzero determinant. Only square matrices (''n'' x ''n'') are invertible.

[[Category:linear algebra]]
[[Category:mathematics]]

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Revision as of 13:48, February 20, 2010

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