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A Constant Puzzle (Posted on 2006-12-02) Difficulty: 2 of 5
Determine a positive integer constant c such that the equation xy2 - y2+ x+ y = c has precisely three solutions in positive integers.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
re(2): solutions (spoiler)Daniel2006-12-02 19:35:42
re: solutions (spoiler)Charlie2006-12-02 14:31:00
Solutionextreme analysisCharlie2006-12-02 14:17:02
Some Thoughtssolutions (spoiler)Daniel2006-12-02 12:38:25
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