Question: Solve the equations in Prob. A20 using the Gauss elimination method. Data From Prob. A-20 x 1 + 2x 2 - 2x 3 = 5,

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


Data From Prob. A-20

x1 + 2x2 - 2x3 = 5,    x1 - x2 + x3 = -1,    x1 - x2 - x3 = 1    using the matrix equation x = A-1 C.


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