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Thread: Help me to find the little mistake in this demostration about Cauchy sequences

  1. #1
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    Help me to find the little mistake in this demonstration about Cauchy sequences

    My Real Analysis teacher told us that there is a mistake at the end of this demonstration. I am supposed to find it. Can you help me please? It's in Spanish but we all know that the mathematical language is universal. This demonstration consists in proving that the sequence (Sm)=(m/2^m) is convergent by determinating if is a Cauchy sequence at first.

    Help me to find the little mistake in this demostration about  Cauchy sequences-wp_20151114_15_26_44_pro.jpg
    Last edited by Gabriel0156; Nov 14th 2015 at 02:41 PM.
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  2. #2
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    Re: Help me to find the little mistake in this demostration about Cauchy sequences

    How do I prove that (p/2^p)>(1/2^p)?
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