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Thread: Couchy's theorm

  1. #1
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    Couchy's theorm

    Hi,I'm new to mathhelpforum.
    This problem comes from Calculus vol 1 by Richard Silverman.

    Why this proof of Couchy's theorm isn't correct?

    If
    f'(c)=(f(b)-f(a))/(b-a)
    and
    g'(c)=(g(b)-g(a))/(b-a)
    Then by dividing f'(c) to g'(c) :

    f'(c)/g'(c)=(f(b)-f(a))/(g(b)-g(a))
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  2. #2
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    Re: Couchy's theorm

    what does Cauchy's Theorem say?
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