Answer Happy

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-1 Given that A is transformed into U by the elementary row operations below, complete E A E₁¹ 3 -6 1 3R₁+R3 R3 HYHR- -6 19 3 0 0 -2 = = 3 -6 1 -6 19 3 -9 18 -5 1 Ex: 42 1 1 E₂ 1 = 2R1+R₂ R2₂ 1 <><> 3 -6 0 7 0 0 1 and E¹ <> 1 5 -2 1 - U