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Math Help - integer solutons

  1. #1
    Senior Member
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    integer solutons

    find integer solutions, if any exist to 3x^3 + 7y^2 = 2,
    thanks for any help
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  2. #2
    Senior Member roninpro's Avatar
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    Take the equation modulo 3.

    3x^3+7y^2\equiv y^2\equiv 2\pmod{3}

    Anything wrong with this?
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  3. #3
    Senior Member
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    ah thanks very much for that
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