If E is an
elementary matrix and A is an
matrix, then the subspace spanned by the columns of A is the same as the subspace spanned by the columns of EA.

Name: If E is an elementary matrix and A is an matrix, then the subspace spanned by the columns of A is the same as the subspace spanned by the columns of EA.
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Question

If E is an 
  elementary matrix and A is an 
  matrix, then the subspace spanned by the columns of A is the same as the subspace spanned by the columns of EA.

Quizplus · Accepted Answer

The Answer of If E is an 
  elementary matrix and A is an 
  matrix, then the subspace spanned by the columns of A is the same as the subspace spanned by the columns of EA.

If E Is an