2. Consider the following system of three linear equations in three unknowns: x₁ + x₂ + ax₂ = 1 x₂ + ax₂ + x₂ = 3 [ax₂ + x^₂ + x₂ = 2a where a € R. (a) Find condition on a such that the system has a unique solution. (b) Find condition on a such that the system has no solution. (c) Find condition on a such that the system has many solutions.

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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2.
Consider the following system of three linear equations in three unknowns:
x₁ + x₂ + ax3 = 1
=
x₁ + ax₂ + x3
[ax₁ + x₂ + x3 =
3,
= 2a
where a € R.
(a) Find condition on a such that the system has a unique solution.
(b) Find condition on a such that the system has no solution.
(c) Find condition on a such that the system has many solutions.
Transcribed Image Text:2. Consider the following system of three linear equations in three unknowns: x₁ + x₂ + ax3 = 1 = x₁ + ax₂ + x3 [ax₁ + x₂ + x3 = 3, = 2a where a € R. (a) Find condition on a such that the system has a unique solution. (b) Find condition on a such that the system has no solution. (c) Find condition on a such that the system has many solutions.
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