Use an inverse matrix to solve each system of linear equations. (a) X1 + X2 2x3 - X1 – 2x2 + - = X1 - X2 - X3 -1 %D (X1, X2, X3) = (b) X1 + X2 2x3 = -2 X1 2x2 + X3 4 - X1 - X2 : X3 %D (X1, X2, X3) =
Use an inverse matrix to solve each system of linear equations. (a) X1 + X2 2x3 - X1 – 2x2 + - = X1 - X2 - X3 -1 %D (X1, X2, X3) = (b) X1 + X2 2x3 = -2 X1 2x2 + X3 4 - X1 - X2 : X3 %D (X1, X2, X3) =
Chapter7: Matrices And Determinants
Section7.3: The Inverse Of A Square Matrix
Problem 5ECP
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Transcribed Image Text:Use an inverse matrix to solve each system of linear equations.
(a) X1 + X2
2x3
-
X1 – 2x2 +
X1 - X2 -
X3 =
-
X3
-1
%D
(X1, X2, X3) =
(b) X1 +
X2
2x3
= -2
X1
2x2 + X3
4
-
X1 - X2 :
X3
%D
(X1, X2, X3) =
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