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Non-rational Quadratic (Posted on 2010-08-22) Difficulty: 2 of 5
Prove that the quadratic equation ax2 + bx + c = 0
does not have a rational root if a, b, and c are odd integers.

See The Solution Submitted by Bractals    
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  Subject Author Date
Some Thoughtsre(2): Mod 4 .....back to 8Ady TZIDON2010-08-24 12:24:52
re: Mod 4Steve Herman2010-08-23 13:32:10
SolutionanswerDej Mar2010-08-23 04:09:24
SolutionMod 4Ady TZIDON2010-08-23 02:38:00
SolutionBy the numbers (spoiler)Steve Herman2010-08-22 21:21:50
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