Consider the following Gauss elimination: Γ1 0 07 A 0 1 0A0 -30E₁A→ 0 1 0 E₂E₁A →→ ⠀⠀⠀⠀⠀⠀ 004 E [105] 0 0 1 E₁ What is the determinant of A? det (A) = [1 0 01 0 0 1 E₂ [100] 0 0 1 E3E₂E₁A = 0 1 0 E [8 04

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