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    Thread: Inverse Function

    1. 09-08-2012 07:13 AM #1
      Marm
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      Inverse Function

      Find (f^-1)'(a)

      when f(x) = 3x^3 + 4x^2 + 4x + 1, a=1

      The problem with this is that finding f^-1(x) analytically is difficult since it's a polynomial. So I tried guessing the value of x such that f(x)=a. But where do I go from there?
      Last edited by LightofHeaven; 09-08-2012 at 07:22 AM.
      Quote Originally Posted by Photolysis View Post
      Passing off nonsense as profound wisdom is not an uncommon happening around these parts unfortunately.
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    2. 09-08-2012 10:02 PM #2
      Marm
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      Never mind, I solved it.
      Auron likes this.
      Quote Originally Posted by Photolysis View Post
      Passing off nonsense as profound wisdom is not an uncommon happening around these parts unfortunately.
      Reply With Quote Reply With Quote  
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