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Math Help - Limit question

  1. #1
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    Limit question

    hi
    I cannot do this limit question. The answer is 6 apparently.

    \lim_{x\to9}{\frac{x - 9}{\sqrt{x} - 3}

    thanks for your help if anyone can do this.
    David.
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  2. #2
    MHF Contributor Also sprach Zarathustra's Avatar
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    (x-9)=(sqrt(x)-3)(sqrt(x)+3)
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  3. #3
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    Oh, it does too.
    Thanks for that.
    Dave.
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  4. #4
    MHF Contributor Also sprach Zarathustra's Avatar
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    You are welcome!
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