Prove the Set is a Subspace with Subspace Test | Linear Algebra Exercises

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We complete six examples of proving if a subset of a vector space is a subspace or not using the two step subspace test. This subspace test requires we check for closure under vector addition and closure under scalar multiplication. If W is a subset of a vector space V and is closed as previously mentioned, then W is a subspace of V. Our example will concern an arbitrary vector space, the vector space R3, and the vector space Mnn of square matrices of dimension nxn. #linearalgebra

The Vector Subspace Test: (coming soon)

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Can u show us addition and intersection of 2 vectors im also interested in linear mapping

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