Is W = {(x, y, z) : x−y−z=4} a vector space? If so, give a basis for it. If not, prove not.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.1: The Geometry And Algebra Of Vectors
Problem 2EQ
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Is W = {(x, y, z) : x−y−z=4} a vector space? If so, give a basis for it. If not, prove not.

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