(f.) We continue to pivot on the entry in Row 2, Column 2. There is now a "1" in that location, so we need to get 0's above and below that entry. Fill in the blank to determine the appropriate row operation to pivot on the entry in Row 2, Column 2. 0 1 1 0 0 1 -1 1-10 0-1 1-3 0 1 100 R3+(x)R2 R3