On the solution of the exponential Diophantine equation ۲x+m۲y=z۲, for any positive integer m
Publish place: Journal of Hyperstructures، Vol: 11، Issue: 2
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JHSMS-11-2_012
تاریخ نمایه سازی: 16 بهمن 1402
Abstract:
It is well known that the exponential Diophantine equation ۲x+ ۱=z۲ has the unique solution x=۳ and z=۳ in non-negative integers, which is closely related to the Catlan's conjecture. In this paper, we show that for m∈N, m>۱, the exponential Diophantine equation ۲x+m۲y=z۲ admits a solution in positive integers (x, y,z) if and only if m=۲αMn, α≠۰ for some Mersenne number Mn. When m=۲αMn, α≠۰, the unique solution is (x,y,z)=(۲+n+۲α,۱, ۲α(۲n+۱)). Finally, we conclude with certain examples and non-examples alike! The novelty of the paper is that we mainly use elementary methods to solve a particular class of exponential Diophantine equations.
Authors
Mridul Dutta
Department of Mathematics, Dudhnoi College, P.O. Dudhnoi, Goalpara, Assam, India
Padma Bhushan Borah
Department of Mathematics, Gauhati University, Guwahat, Assam, India