Use an inverse matrix to solve each system of linear equations. (a) x₁ + x₂ - 2x3 = 0 X1-2x2 + x3 = 0 Xx₂-x₂ - x3 = -1 X2 (X₁, X₂, X3) = (b) x₁ + x₂ - 2x3 = -4 X₁ - 2x₂ + x3 = 8 x₁ - x₂ - x3 x = 0 (X1, X2, X3) ]) 7)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Use an inverse matrix to solve each system of linear equations.
(a) x₁ + x₂ - 2x3 =
X1
2x2 + x3
x₁ - x₂
(X₁, X₂, X3) =
(X1, X2, X3)
Need Help?
0
(b) x₁ + x₂ - 2x3 = -4
x₁2x₂ + x3
X3 =
x1 - x₂
x3 =
Read It
X3-0
X3 = -1
88
Transcribed Image Text:Use an inverse matrix to solve each system of linear equations. (a) x₁ + x₂ - 2x3 = X1 2x2 + x3 x₁ - x₂ (X₁, X₂, X3) = (X1, X2, X3) Need Help? 0 (b) x₁ + x₂ - 2x3 = -4 x₁2x₂ + x3 X3 = x1 - x₂ x3 = Read It X3-0 X3 = -1 88
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