Question: Solve the equations in Prob. A20 using the Gauss elimination method. Data from Prob. A20 Solve the equations x 1 + 4x 2 + x

Solve the equations in Prob. A–20 using the Gauss elimination method.


Data from Prob. A–20

Solve the equations x1 + 4x2 + x3 = -1, 2x1 - x2 + x3 = 2, and 4x1 - 5x2 + 3x3 = 4, using the matrix equation x = A-1C.

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