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Always Divisible (Posted on 2007-05-20) Difficulty: 3 of 5
Prove that for every integer x, there is an integer y such that (y^2-2)/(x^4+1) is an integer.

See The Solution Submitted by Brian Smith    
Rating: 4.0000 (1 votes)

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  Subject Author Date
SolutionPuzzle SolutionK Sengupta2007-05-21 05:22:34
SolutionSolutionJoel2007-05-21 02:58:29
Only an observationDej Mar2007-05-20 17:33:00
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