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(q2 + 1)/(pq -1) = Integer (Posted on 2009-12-25) Difficulty: 3 of 5
Find all possible pairs (p, q) of positive integers, with p ≤ q, such that (q2 + 1)/(pq - 1) is an integer.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
SolutionSolutionPraneeth2010-01-08 08:35:43
Computer SolutionJustin2009-12-25 19:52:20
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