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Thread: Can you prove this simple statement?

  1. #1 Can you prove this simple statement? 
    Heinsbergrelatz
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    Default September 15th, 2010, 01:54 AM


    (sorry, its not actually greater and equal, but only greater.)

    thank you


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  3. #2  
    mathman
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    September 15th, 2010, 04:59 PM
    1 + 1/2 + 1/3 + + 1/n > ∫(1,n) 1/xdx = ln(n).

    Take exponentials of both sides.


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