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Math Help - Algebra Proof

  1. #1
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    Algebra Proof

    If a_k is a positive real number prove:

    (1/n)(a_1 + a_2 + a_3 .... + a_n) >= ({a_1}{a_2}{a_3}....{a_n})^{n^{-1}}
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  2. #2
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    Hello kevinlightman
    Quote Originally Posted by kevinlightman View Post
    If a_k is a positive real number prove:

    (1/n)(a_1 + a_2 + a_3 .... + a_n) >= ({a_1}{a_2}{a_3}....{a_n})^{n^{-1}}
    This is the AM-GM inequality. You'll find several proofs here: Inequality of arithmetic and geometric means - Wikipedia, the free encyclopedia

    Grandad
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