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Math Help - Forms a linearly dependent set?

  1. #1
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    Forms a linearly dependent set?

    I've never seen a question in this type of format before, so I'm stumped. Do I have to try writing it out as a linear combination? Where do I begin?
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    Last edited by DarK; October 21st 2010 at 06:49 PM.
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  2. #2
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    Quote Originally Posted by DarK View Post
    I've never seen a question in this type of format before, so I'm stumped. Do I have to try writing it out as a linear combination? Where do I begin?

    Thanks alot!
    Write out the coefficient matrix for x_1, x_2, x_3
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  3. #3
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    Quote Originally Posted by DarK View Post
    I've never seen a question in this type of format before, so I'm stumped. Do I have to try writing it out as a linear combination? Where do I begin?

    Thanks alot!

    Check that ax_1+bx_2+cx_3=0 has a solution different from a=b=c=0 ...it's pretty easy, and in fact there are at least as many different solutions to this as elements the definition field has.

    Tonio
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