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Specialty Chemistry Forums => Other Sciences Question Forum => Topic started by: maria69 on February 05, 2009, 09:38:58 AM

Title: Matrix pleaseee help????
Post by: maria69 on February 05, 2009, 09:38:58 AM

I have finished all the parts of first question but i just don't know how to work in
(iv) part. i know that the answer should be :infinite number of possibilities, one answer is [-8;8;-1;0;1]. Can someone pleaseeeeeeee show me the solution??? pleaseee??
THank you very much maria!
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Title: Re: Matrix pleaseee help????
Post by: Yggdrasil on February 05, 2009, 11:44:35 PM

To show

Quote from: maria69 on February 05, 2009, 09:38:58 AM

I have finished all the parts of first question but i just don't know how to work in
(iv) part. i know that the answer should be :infinite number of possibilities, one answer is [-8;8;-1;0;1]. Can someone pleaseeeeeeee show me the solution??? pleaseee??

You have an answer there.  To show that it can form a base with v₃ all you have to do is show that it is in S₂ and it is linearly independent with v₃.

Title: Re: Matrix pleaseee help????
Post by: Martingale on February 06, 2009, 09:47:24 AM

Quote from: maria69 on February 05, 2009, 09:38:58 AM

I have finished all the parts of first question but i just don't know how to work in
(iv) part. i know that the answer should be :infinite number of possibilities, one answer is [-8;8;-1;0;1]. Can someone pleaseeeeeeee show me the solution??? pleaseee??
THank you very much maria!

how about [-7,7,-1,1,0]

if you can do (ii) you should be able to do (iv)