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How to sketch y=(-3x^2 +1)/(x^2)

  1. Feb 10, 2010 #1
    How to sketch y=(-3x^2 +1)/(x^2)
     
  2. jcsd
  3. Feb 10, 2010 #2

    Mentallic

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    Re: Truncus

    Similar deal to your hyperbola question you made previously.

    [tex]\frac{-3x^2+1}{x^2}=\frac{-3x^2}{x^2}+\frac{1}{x^2}=-3+\frac{1}{x^2}[/tex]

    so now you should be able to sketch the graph using already known graphs such as [itex]y=\frac{1}{x^2}[/itex]
     
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