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Math Help - horizontal asymptotes problem

  1. #1
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    Mar 2011
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    horizontal asymptotes problem

    i want to find the horizontal asymptotes of f(x)=x-2ln x for x>0
    but how can i do that?
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  2. #2
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    Dec 2009
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    Horizontal asymptotes occur at \displaystyle y = \lim_{x \to \pm \infty} f(x). In this case, x > 0, so horizontal asymptotes occur at only \displaystyle y = \lim_{x \to + \infty} f(x).
    Last edited by NOX Andrew; March 14th 2011 at 06:49 PM.
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