Recall the definition of Linear Independence: The set {V1,..., Vn} is linearly independent if, whenever a₁ V₁ + + an Vn = 0, it must be that = an = 0. a₁ = Suppose that {v2, V3} is linearly independent. Briefly describe what is wrong with the following "proof" that {V1, V2, V3} is linearly independent (where V₁ is some nonzero vector): Since (v2, V3} is linearly independent, a2 V2 + a3 V3 = 0. Then, if a₁ V₁ + a2V2 + a3 V3 = 0, we have that a₁ V₁ + 0 = 0 so that a₁ = 0. Therefore, {V1, V2, V3} is linearly independent.
Recall the definition of Linear Independence: The set {V1,..., Vn} is linearly independent if, whenever a₁ V₁ + + an Vn = 0, it must be that = an = 0. a₁ = Suppose that {v2, V3} is linearly independent. Briefly describe what is wrong with the following "proof" that {V1, V2, V3} is linearly independent (where V₁ is some nonzero vector): Since (v2, V3} is linearly independent, a2 V2 + a3 V3 = 0. Then, if a₁ V₁ + a2V2 + a3 V3 = 0, we have that a₁ V₁ + 0 = 0 so that a₁ = 0. Therefore, {V1, V2, V3} is linearly independent.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.3: Spanning Sets And Linear Independence
Problem 26EQ
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Question
![Recall the definition of Linear Independence:
The set {V1,..., Vn} is linearly independent if, whenever a₁ V₁ +...+ an Vn = 0, it must be that
a₁ = = an = 0.
Suppose that {v2, V3} is linearly independent. Briefly describe what is wrong with the following "proof" that
{V1, V2, V3} is linearly independent (where V₁ is some nonzero vector):
Since (v2, V3} is linearly independent, a2V2 + α3 V3 = 0. Then, if a₁V₁ + a2 V2 + a3 V3 = 0, we have that
a₁ V₁ +0=0 so that a₁ = 0. Therefore, {V1, V2, V3} is linearly independent.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb04829d0-4645-426e-bf1a-7ada40b0786f%2Ff1b60c92-da8e-4984-82f9-4d500f0286e4%2F01sq1xc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Recall the definition of Linear Independence:
The set {V1,..., Vn} is linearly independent if, whenever a₁ V₁ +...+ an Vn = 0, it must be that
a₁ = = an = 0.
Suppose that {v2, V3} is linearly independent. Briefly describe what is wrong with the following "proof" that
{V1, V2, V3} is linearly independent (where V₁ is some nonzero vector):
Since (v2, V3} is linearly independent, a2V2 + α3 V3 = 0. Then, if a₁V₁ + a2 V2 + a3 V3 = 0, we have that
a₁ V₁ +0=0 so that a₁ = 0. Therefore, {V1, V2, V3} is linearly independent.
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