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Math Help - use of inverse function theorem..

  1. #1
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    Mar 2009
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    use of inverse function theorem..

    Hi,
    Im struggling with this question:
    If f satisfies the conditions of the inverse function theorem, except that condition that df is invertible, prove that f^{-1} does not exist or it is not continuouly differentiable
    Last edited by ramdayal9; May 23rd 2009 at 05:28 AM.
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