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Find additional pairs (Posted on 2016-08-08) Difficulty: 3 of 5
The pair of positive integers (4,6) satisfies the equation

(2x+1)*x=y^2

Find at least three additional pairs, both x and y below 10^6.

  Submitted by Ady TZIDON    
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Solution: (Hide)
3 pairs: (144,204), 4900,69360), (166464,235416). Result obtained by solving Pell's equation.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
General solutionbroll2016-08-09 07:18:39
SolutionPell SolutionBrian Smith2016-08-09 00:11:46
re: computer solutionCharlie2016-08-08 22:19:57
Solutioncomputer solutionCharlie2016-08-08 22:12:14
spoilerxdog2016-08-08 14:09:21
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