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Math Help - Zn

  1. #1
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    Zn

    I have to find the polynomial over Zn with degree 2, which has at least three roots in Zn.
    Can you give me a hint please?
    THANK YOU!!
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  2. #2
    MHF Contributor

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    Quote Originally Posted by sidi View Post

    I have to find the polynomial over Zn with degree 2, which has at least three roots in Zn.
    Can you give me a hint please?
    THANK YOU!!
    are you looking for just an example (very easy! choose n = 16 and f(x) = x^2) or some sort of characterization (not very easy!)?
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