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#1 2009-03-19 00:05:29
- GemmaJ1988
- Member
- Registered: 2008-10-08
- Posts: 39
Rings- Algebra
Let R be the ring
Prove that
given by
satisifies N(ab)=N(a)N(b)
Does anyone know how i would attempt to solve a question like this? please help:(
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#2 2009-03-19 01:04:18
- Ricky
- Moderator
- Registered: 2005-12-04
- Posts: 3,791
Re: Rings- Algebra
Compute it directly.
Now compute N(ab), N(a), and N(b).
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."
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#3 2009-03-19 01:12:27
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: Rings- Algebra
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