Question: Perform the indicated elementary row operation. 1 -4 2 -1 0 1 1 -1 0 2 -1 1 Add2times Row 2 to Row 3.

Perform the indicated elementary row operation.

1 -4 2 -1

0 1 1 -1

0 2 -1 1

Add2times Row 2 to Row 3.

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