Question: (10 points) 5. Consider the 4 x 4 linear system X1 - 2x2 + 3x3 - 2x4 = 2 -2x2 + 7x3 + 4x4 =

(10 points) 5. Consider the 4 x 4 linear system X1

(10 points) 5. Consider the 4 x 4 linear system X1 - 2x2 + 3x3 - 2x4 = 2 -2x2 + 7x3 + 4x4 = 5 -2x1 + 4x2 + 5x3 + 4x4 = 7 -X1 + 4x2 + 23 - 204 = 4 (a) Compute the reduced echelon form of the augmented matrix which associated to this linear system. (b) Find all the solutions of this linear system

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