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Row operation 1) (a) R2 = 4r1 + 12 (b) R3 = -3r1 + 13 (c) R3 = 212 + 13 1 -3-5 2 1

Row operation

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1) (a) R2 = 4r1 + 12 (b) R3 = -3r1 + 13 (c) R3 = 212 + 13 1 -3-5 2 1 -4 -5 2 5 -5 6

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