5. Let V be a vector space over R, and suppose that v1, V2, V3, V4 are linearly independent vectors in V. a. Prove that the vectors V1 – V3, 2v2 – 3v3 + V4, -v1 + 4v2 + 2v3 + v4, vị + 2v2 + 3v3 are linearly dependent. b. Prove that the vectors V1 + v2 + V3 + v4, Vi – V2, V1 + v2 – 2v3 + v4, 3v3 – V4 are linearly independent.

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Vector Spaces
Section4.CR: Review Exercises
Problem 78CR: Let v1, v2, and v3 be three linearly independent vectors in a vector space V. Is the set...
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5. Let V be a vector space over R, and suppose that v1, V2, V3, V4 are linearly independent vectors in V.
a. Prove that the vectors
V1 – V3,
2v2 – 3v3 + V4,
-v1 + 4v2 + 2v3 + v4,
vị + 2v2 + 3v3
are linearly dependent.
b. Prove that the vectors
V1 + v2 + V3 + V4,
V1 – V2,
V1 + v2 – 2v3 + v4,
3v3 – V4
are linearly independent.
Transcribed Image Text:5. Let V be a vector space over R, and suppose that v1, V2, V3, V4 are linearly independent vectors in V. a. Prove that the vectors V1 – V3, 2v2 – 3v3 + V4, -v1 + 4v2 + 2v3 + v4, vị + 2v2 + 3v3 are linearly dependent. b. Prove that the vectors V1 + v2 + V3 + V4, V1 – V2, V1 + v2 – 2v3 + v4, 3v3 – V4 are linearly independent.
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