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Proof need helps

  1. May 15, 2004 #1
    I have

    [tex]x_n_+_1=x_n - \frac{f(x_n)}{g(x_n)}[/tex]

    where

    [tex]g(x)=\frac{f(x+f(x))-f(x)}{f(x)}[/tex]

    and i am asked to prove that this is quadratically convergent under suitable hypotheses...

    Can you help me ?

    Thanks in advance,
     
  2. jcsd
  3. May 15, 2004 #2
    I proved for you, can you prove me back ?

    Thanks
     
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