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Elementary Linear Algebra (MindTap Course List)

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter4: Vector Spaces

Section4.CR: Review Exercises

Problem 26CR

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Which of the subsets of R* is a subspace of R3?
(a) W = {(x1, x2, X 3): x² + x3 + x} = 0}
(b) W = {(x1, x 2, X3): xỉ + x3 + x = 1}
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