Question: 1 2 0 -1 2 2 1 1 0 1 4 5 1 2 5 A. And then find the reduced row-echelon form of

1 2 0 -1 2 2 1 1 0 1 4 5

1 2 0 -1 2 2 1 1 0 1 4 5 1 2 5 A. And then find the reduced row-echelon form of Rt (not of A). (1) Let A = Find the reduced row-echelon form R of (2) Let A be an mxn matrix of rank r, and let R be its reduced row-echelon form. Describe the reduced row-echelon form of Rt explicitly.

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