This question is worth 10 points) Ise Gaussian elimination method with partial pivoting for the following linear system: X1 + x2 + 2x3 = 6 -2x, + 3x2 + x3 = -2 -x, + 3x2 + 4x3 = 8 riangularization (or forward elimination) step reduces the given system to equivalent system in an upper-triangular form. Which of the following quivalent system in the upper-triangular form? our answer: X1 + x2 + 2x, = 6 5x2 + 5x3 = 10 2x3 = 6 -2x, + 3x2 + x3 = -2 2.5x2 + 2.5x3 = 5 2x3 = 6 2x - 3x2 - X3 = 2 -2.5x2 + 3.5x; = 13 2.5x = 7.5 P None of the above Clear answer

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