Question: 1 1 3. Let A = 2 1 -1 Use the second row operation to change the numbers 2 and -3 2 -2 -3

1 1 3. Let A = 2 1 -1 Use the second

1 1 3. Let A = 2 1 -1 Use the second row operation to change the numbers 2 and -3 2 -2 -3 in the first column of A to zero.

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