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    JAY DAVE's Avatar
    JAY DAVE Posts: 1, Reputation: 1
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    #1

    Oct 14, 2012, 12:33 PM
    upper & lower bound of function
    f(x)=1+1/2+1/3+... +1/n
    Which are upper & lower bounds of f(x)...
    Please give me more tight bounds...
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Oct 15, 2012, 06:18 AM
    Hint: consider the area under the curve y = 1/x, and what you get if you approximate the integral



    using rectangles.
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