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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 73CR

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Help me answer this questions and choose the letter of the correct answer

6. If W₁ and W₂ are subspaces of V and dim W₁
(a) W₁ = W₂.
(c) W₂ C W₁.
dim W2, then
(b) W₁ C W₂.
(d) none of the above follows.
=
7. Let V be a 70-dimensional vector space and let W₁ and W₂ be 30-dimensional subspaces. What
is the smallest possible dimension of W₁ W₂?
(a) 5
(b) 10
(c) 15
(d) 20

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