Exercises 3.1 A. Let W = {(s, 3s, -s): sreal}. Show that W is a subspace of R³. 2. Let U = {(s, -2s, s + 1): s real}. Show that U is not a subspace of R³.
Exercises 3.1 A. Let W = {(s, 3s, -s): sreal}. Show that W is a subspace of R³. 2. Let U = {(s, -2s, s + 1): s real}. Show that U is not a subspace of R³.
Elementary Linear Algebra (MindTap Course List)
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Chapter4: Vector Spaces
Section4.3: Subspaces Of Vector Spaces
Problem 56E: Give an example showing that the union of two subspaces of a vector space V is not necessarily a...
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Must solve both the subparts. Don't solve only one part. Must solve both.
![Exercises 3.1
A. Let W = {(s, 3s, -s): sreal}. Show that W is a subspace of R³.
2. Let U = {(s, -2s, s + 1): s real}. Show that U is not a subspace of R³.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff4fdbed-9597-48e0-a5b0-9f5c4b360d22%2Fadbbca94-06f5-4bf0-89c0-e81c4c6f9c9d%2Fb5qwql_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercises 3.1
A. Let W = {(s, 3s, -s): sreal}. Show that W is a subspace of R³.
2. Let U = {(s, -2s, s + 1): s real}. Show that U is not a subspace of R³.
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