Mathematics IITU Board 2079
Reduce the system of equations into echelon form and solve: x 1 – 2x 2 – x 3 + 3x 4 = 0 2x 1 + 4x 2 + 5x 3 – 5x 4 = 3 3x 1 – 6x 2 – 6x 3 + 8x 4 = 2
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