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Homework Help: Inverse function

  1. Mar 7, 2005 #1
    what is the inverse of of y=sqrt(x^3+x^2+x+1)

    i know u are suppose to solve for x but having trouble....help please
  2. jcsd
  3. Mar 8, 2005 #2


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    Why don't u do it?
    [tex] x^{3}+x^{2}+x+1=y^{2} [/tex]

    U need to solve this cubic for "x".Use Cardano's formulae.

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