Solve these linear equations by Cramer's Rule x; 2x1 +5x2 - 1 (a) x1 + 4x2 2. 2x1 + x2 = det B;/ det A: =1 (b) x1 + 2x2 + x3 = 0 x2 + 2x3 = : 0.

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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Solve these linear equations by Cramer's Rule x;
2x1 +5x2
-
1
(a)
x1 + 4x2
2.
2x1 + x2
=
det B;/ det A:
=1
(b) x1 + 2x2 + x3 = 0
x2 + 2x3 = : 0.
Transcribed Image Text:Solve these linear equations by Cramer's Rule x; 2x1 +5x2 - 1 (a) x1 + 4x2 2. 2x1 + x2 = det B;/ det A: =1 (b) x1 + 2x2 + x3 = 0 x2 + 2x3 = : 0.
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