а3) Let X1 + x2 + x3 = 4 —х1 + (1 — а)х2 + Xз —D 1 2x1 – x2 + X3 = 3 Find a such that 1) the system has unique solution. 2) the system has no solution. 3) the system has infinitely many solutions.

а3) Let X1 + x2 + x3 = 4 —х1 + (1 — а)х2 + Xз —D 1 2x1 – x2 + X3 = 3 Find a such that 1) the system has unique solution. 2) the system has no solution. 3) the system has infinitely many solutions.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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а3) Let
X1 + x2 + x3 = 4
—х1 + (1 — а)х2 + Xз —D 1
2x1 – x2 + x3 = 3
Find a such that
1) the system has unique solution.
2) the system has no solution.
3) the system has infinitely many solutions.

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