I'm stuck on a problem which asks:(adsbygoogle = window.adsbygoogle || []).push({});

Determine whether W is a subspace of R^3. If W is a subspace, then give geometric description of W. The problem is W={x:x3=2x1-x2} and x=[x1, x2, x3]

I tried solving it but I'm having a hard time understanding the properties of R^n and using them. I guess I'm not as good with proof as I'm with numbers. Please help.

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# Subspace of R^3

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