Question: Solve the equations in Prob. A18 using the Gauss elimination method. Data From Prob. A-18 4x 1 + x 2 + x 3 = -1,

Solve the equations in Prob. A–18 using the Gauss elimination method.


Data From Prob. A-18

4x1 + x2 + x3 = -1,    -5x1 + 4x2 + 3x3 = 4,    x1 - 2x2 + x3 = 2    

Using the matrix equation x = A-1 C.


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