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Math Help - HELP!

  1. #1
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    HELP!

    Find all locations of horizontal and vertical tangent lines of
    f(x)= 1/(x2 1)2.
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  2. #2
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    Quote Originally Posted by wbattle View Post
    Find all locations of horizontal and vertical tangent lines of
    f(x)= 1/(x2 – 1)2.
    f(x) = \frac{1}{(x^2 - 1)^2}.

    Horizontal asymptote: y = 0 (why?).

    Vertical asymptotes: x^2 - 1 = 0 \Rightarrow x = \pm 1. Therefore .....
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