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Old 08-08-2007   #1
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Default Matrices and Determinants

Can anybody tell me how to prove the value of determinant is same, when expanded by elements of any row or by elements of any column.

Old 08-08-2007   #2
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I'm not sure, but I think it shouldn't be too hard if you just play around with the definition of a minor or a cofactor a bit.

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