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Sum (Pair Product) - Product = 2 (Posted on 2009-12-08) Difficulty: 3 of 5
Determine all possible triplet(s) (p, q, r) of positive integers, with p ≤ q ≤ r, that satisfy the equation: pq+qr+rp - pqr = 2.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
SolutionAnalytical solution (spoiler)Steve Herman2009-12-08 15:35:41
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