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Math Help - Vector spaces

  1. #1
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    Vector spaces

    I wonder could anyone get me started on this?

    U is the solution set to a system of linear equations Ax=0 where

    A= 3 4 61
    112 -1 34
    109 -5 -27

    Is the subset U of a vector space V a subspace of V?

    Thanks a lot
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  2. #2
    Super Member flyingsquirrel's Avatar
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    Hello,
    Quote Originally Posted by Bell2009 View Post
    Is the subset U of a vector space V a subspace of V?
    Yes it is. Can you prove it ?
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  3. #3
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    It is a homogeneous system, so you should try to solve it. Could you start?
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  4. #4
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    ive just figured it out myself (i think), thanks
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