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Math Problem


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#1 KIDRoach

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Posted 18 March 2007 - 01:59 AM

right, so, i got this question,

= |0 1 0 |
Let A = |0 0 1 |
= |0 0 0 |

Determine the dimension of the subspace
V={B E M3x3 ® :BA=AB}

and i got the answer as this

|0 1 0| |0 0 1|
|0 0 1|, |0 0 0|
|0 0 0| |0 0 0|

But the answer was supposed to be this, but plus extra one matrix, which is

|1 0 0|
|0 1 0|
|0 0 1|

how do i get to that ?

it's sunday, and i can't possibly ask my lecturer today, so, yeah... =)
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#2 Andrew

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Posted 18 March 2007 - 06:30 AM

is the answer Reykjavik?

#3 KIDRoach

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Posted 18 March 2007 - 09:36 AM

Nevermind i guess, i got it solved already, so, sorry

btw, what's Reykjavik?
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#4 tg1911

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Posted 18 March 2007 - 11:13 AM

The capital of Iceland.
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#5 raw

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Posted 19 March 2007 - 06:06 PM

42...the answer to everything is always 42! :thumbsup:

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