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Math Help - Measurable surds.

  1. #1
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    Exclamation Measurable surds.

    The data are positive rational numbers A and B, for which the number
    √a + √b + √a√b is measurable. Prove that the number √a and √b are also measurable.

    please make a quick and detailed task

    Really thanks for all the answers
    Last edited by mr fantastic; October 23rd 2011 at 12:24 PM. Reason: Re-titled.
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  2. #2
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    Re: very difficult task, needed for now,please

    Quote Originally Posted by isel View Post
    The data are positive rational numbers A and B, for which the number
    √a + √b + √a√b is measurable. Prove that the number √a and √b are also measurable.

    please make a quick and detailed task

    Really thanks for all the answers
    What's the rush? Where has the question come from? NB: MHF provides help, not detailed solutions.
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  3. #3
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    Re: Measurable surds.

    It would help us if you would give a quick and detailed definition of "measurable number".
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