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Math Help - Substitutions/solving equations

  1. #1
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    Substitutions/solving equations

    1. Suppose that are real numbers such that







    Show that







    (Problem can get messy but there is an elegant and complete solution)

    2. Find all integer solutions to

    3. Find the smallest positive integer whose cube ends in 888.
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  2. #2
    MHF Contributor Drexel28's Avatar
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    Quote Originally Posted by usagi_killer View Post
    1. Suppose that are real numbers such that







    Show that







    (Problem can get messy but there is an elegant and complete solution)

    2. Find all integer solutions to

    3. Find the smallest positive integer whose cube ends in 888.
    Are these challenge questions?
    Follow Math Help Forum on Facebook and Google+

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