Which of the following SLES is represented by the matrix equation shown below? O [1 2 0 03 4 3 0 0 1 2 1 X1 x2 x 3 C4 x₁ + 3x3 + 4x4 2x₁1 + 3x₂ x2 + 2x3 + x4 = x1 + 3x3 + 4x4 2x1 + 3x2 + x3 x2 + 2x3 + x 4 = = = x₁ + 3x + 4x 2x₁ + 3x₂ + x3 + x4 -x₁ + x₂ + 2x3 + x4 = = = x₁ + x2 + 3x3 + 4x4 x1 + 3x₂ x2 + x3 + x4 ГОТ = 0 = = 1 = = 1 = 1 =

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