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Math Help - Take a look at this problem. The Quadratic Reciprocity

  1. #1
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    Take a look at this problem. The Quadratic Reciprocity

    Let p be an odd prime p > 3. What is (-2/p)?
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  2. #2
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    Re: Take a look at this problem. The Quadratic Reciprocity

    This is Legendre symbol. (n/p) = 1 if n is a quadratic residue mod p
    = -1 if n is quadratic non-residue mod p
    = if p|n
    n is a quadratic residue mod p if n= x^2 mod p for some integer x.
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  3. #3
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    Re: Take a look at this problem. The Quadratic Reciprocity

    I understand that a little bit but I am having a hard time with how to start my proof.
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