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(q2 + 1)/(pq -1) = Integer (Posted on 2009-12-25) |
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Find all possible pairs (p, q) of positive integers, with p ≤ q, such that (q2 + 1)/(pq - 1) is an integer.
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Submitted by K Sengupta
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Rating: 5.0000 (1 votes)
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Solution:
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(Hide)
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The required pairs are: (1,2) , (1,3) and (2,3).
For an explanation, refer to the solution submitted by Praneeth in this location.
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