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use an inverse matrix to solve each system of linear...

Question: use an inverse matrix to solve each system of linear...

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Use an inverse matrix to solve each system of linear equations. (a) X1+2X2 + X3 = x1 + 2x2-x3 = 4 X1-2X2 + X3 =-2 2 (x1, x2, X3) - (b) x1 + 2x2 + x3 = 0 x1 2x2 - x32 X1 - 2x2 x30 (X1, X2, X3) =

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