Let A = 2 1 7 0 16 11 1 1 4 1 7 0 11 8 41 4 85 3 6 4 22 2 46 0 Two common online systems give different answers when asked to reduce A to reduced row-echelon form. Identify which matrix below is in reduced row echelon form and use it for this problem. system 1: A~ 1 0 3 0 7 07 0 1 1 0 2 0 0 0 0 1 -2 0 0 1 0000 A. What is the rank of A? system2: A~ B. What is the dimension of the column space of the A ? C. What is the dimension of the row space of the A ? 0 2 0 [1 0 3 0 7 0 1 1 0 0000 0 0001 -2 -5 1

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A: The answer is in step 2.

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A: Inverse property

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A: The answer is given below

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A: Step 1: Step 2: Step 3: Step 4:

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