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**mrpace****Member**- Registered: 2012-08-16
- Posts: 72

B= {(2 -1), (3 -1)}

C= {(1 2), (2 3)}

these are meant to be written as one colum in each.

If (x)c = {1 -1} what is (x)b? and what is x?

this is the last question on my assignment so it would be great if anyone could help me, thanks.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,548

hi mrpace,

Does that mean you have sorted out your earlier post?

"Question to do with linear independence"

I cannot make sense of this one either.

Are c and b meant to be the 2 by 2 matrices formed from the vectors you call C and B.

Let's say that x is an m by n matrix.

You appear to have (m by n) x ( 2 by 2) = (2 by 1)

That won't work ???

So please would you look again at what you are asking.

This looks at lot like

http://www.mathisfunforum.com/viewtopic.php?id=18052

Are you two doing the same course?

Thanks,

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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