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Discriminants (Posted on 2005-05-24) Difficulty: 2 of 5
Consider a quadratic equation with integer coefficients.
Is every integer a possible discriminant?

Prove it.

See The Solution Submitted by Jer    
Rating: 3.5000 (4 votes)

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re: Solution (no explanation given) | Comment 2 of 7 |
(In reply to Solution (no explanation given) by Old Original Oskar!)

Could the explanation be that the square of an integer can never leave a remainder of 2 or 3 when divided by 4?
  Posted by Richard on 2005-05-24 22:47:51

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