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Math Help - prove or disprove: statement about Span

  1. #1
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    prove or disprove: statement about Span

    Hi.

    is this true or false:

    Span\left \{ u \right \}=Span\left \{ u,v \right \}\cap Span\left \{ u,w \right \}

    u\neq 0

    Thanks in adnvanced!

    BTW,
    i think it is true, but i'm not sure...
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  2. #2
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    Re: prove or disprove: statement about Span

    What if v = w?
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  3. #3
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    Re: prove or disprove: statement about Span



    didn't think about that.
    thanks!
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