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Positive Integer ≠ (2P – 2Q)/(2R – 2S) (Posted on 2009-11-07) Difficulty: 4 of 5
Determine the smallest positive integer X, such that X is not expressible in the form (2P – 2Q)/(2R – 2S), where each of P, Q, R and S is a positive integer.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

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  Subject Author Date
SolutionSolutionPraneeth2010-01-08 10:12:37
solution conditionsDaniel2009-11-08 07:16:04
solution with proofDaniel2009-11-07 17:18:52
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