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OpenStudy (tiffany_rhodes):
Prove that the row replacement operation on a square matrix A does not change det A. (I know that row operations are just multiplying a matrix A by elementary matrices).
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OpenStudy (inkyvoyd):
https://proofwiki.org/wiki/Multiple_of_Row_Added_to_Row_of_Determinant see if that helps
OpenStudy (inkyvoyd):
I can find others if you want.
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