SOLUTION: Which matrix is in reduced row-echelon form? Four different matrixs: https://s14.postimg.org/iixxncncx/matrix_s.png

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Question 1078146: Which matrix is in reduced row-echelon form?
Four different matrixs: https://s14.postimg.org/iixxncncx/matrix_s.png
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Hint : For a 3x3 matrix, the reduced echelon form would look like the identity matrix.