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The diophantine equation (X[X − 1])2 = 3Y[Y − 1]

Published online by Cambridge University Press:  18 May 2009

Manoranjitham Veluppillai
Affiliation:
Royal Holloway College, Englefield Green, Egham, Surrey
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Extract

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The object of this paper is to prove that the only non-trivial solution in positive integers of the equation of the title is X = 3, Y = 4.

Substituting x = 2X – 1, y = 2Y – 1 gives with a little manipulation

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1976