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#1 2007-11-25 10:08:02
- EPhillips1989
- Member
- Registered: 2007-11-03
- Posts: 29
matrices
suppose AB=In
can anyone prove B is invertible (non-singular)
please help!!!
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#2 2007-11-25 10:15:45
- mathsyperson
- Moderator
- Registered: 2005-06-22
- Posts: 4,900
Re: matrices
Why did the vector cross the road?
It wanted to be normal.
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