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MIT 18.06 Linear Algebra, Spring 2010 8 Online
OpenStudy (jackellyn):

Determine whether the following subsets of R^3 are subspaces: Vectors of the form (a,b,2) Vectors of the form (a, b,c ) where c=a+b. Not sure how to test these out, how do I know these are non-empty, and then check the two rules?

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