Hi,

How can I show that th set of all solutions to Ax = b where A is mxn, is not a subspace of R^n if b <> 0.

If Ax = 0, (b = 0), the set of solutions IS a subspace. What difference does it make whether b is 0 or not?

Thanks!

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- Nov 2nd 2008, 02:32 PMkpizlesubspaces
Hi,

How can I show that th set of all solutions to Ax = b where A is mxn, is not a subspace of R^n if b <> 0.

If Ax = 0, (b = 0), the set of solutions IS a subspace. What difference does it make whether b is 0 or not?

Thanks! - Nov 3rd 2008, 01:55 PMCaptainBlack