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Math Help - prove <= 1/8

  1. #1
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    prove <= 1/8

    for a,b,c real positive numbers, show that

    (a/(a+b)) (b/(c+b)) (c/(c+a)) <= 1/8


    are there any cancellation i can use?
    i thought of cancelling but i'm not sure
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by nh149 View Post
    for a,b,c real positive numbers, show that

    (a/(a+b)) (b/(c+b)) (c/(c+a)) <= 1/8


    are there any cancellation i can use?
    i thought of cancelling but i'm not sure
    Start with the AM-GM inequality.

    CB
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  3. #3
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    thanx!

    i'll try to solve using AM-GM inequality.
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