Use Gauss Elimination with backward substitution in solving the system of linear equations 5x 1 - 5x3 + 2x, = -15.2 x, + 6x, + 9x 3 – 4x, = 1.52 |-2x, + 5x, + 7x 3 – 4x, = 1.9 4x, - 2x2 + 2x, +x4 = 3.8

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Q: Problem 3: Use the LU factorization method to solve the Ax = b, where 2 -1 A = -6 -2 and b 8. -1 4

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