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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

Chapter5: Inner Product Spaces

Section5.CM: Cumulative Review

Problem 24CM

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Let H be the subset of the vector space M of symmetric matrices of order 3 such that
O z+1y
H = }
2x
|x, y, z €R
y
2x
Determine if H is a subspace of M; If so, give its dimension, and if not, justify your answer.

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