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Math Help - inequality

  1. #1
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    Sep 2007
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    Question inequality

    I have the following inequality:
    1/2 - 3/n <= C

    Is it possible to solve this to find say minimum values for which this holds true for n and C?
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  2. #2
    Member
    Joined
    Sep 2007
    Posts
    222

    Question

    Just to expand on the original question. I have to determine positive contants c1, c2, n0 such that:
    c1n^2 <= 1/2n^2 - 3n <= c2n^2

    After dividing by n^2 I get:
    c1 <= 1/2 - 3/n <= c2

    Now how can i get those constants? Is it just simply guess work/trial and error?
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