Consider the following Gauss-Jordan reduction: Find E₁ = 0 -6 E2 = 1 -5 0 L 0 1 0 1 F 16 -6 0 , E3 = Write A as a product A = E, ¹E, ¹E, ¹E¹ of elementary matrices: E₁A 16:1 E₂E₁A . E4 = 1 → 1 1-6 E3E₂E₁ A 10 E₁E₂E₂E₁ A I

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