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An exponential Diophantine equation involving the sum or difference of powers of two Pell numbers

  • Salah Eddine Rihane and Alain Togbé EMAIL logo
Published/Copyright: June 11, 2022
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Abstract

Let Pk and Qk be the k-th terms of the Pell and Pell-Lucas sequences respectively. In this paper, we find all the solutions of the Diophantine equations

P n + 1 x ± P n 1 x = Q m

in nonnegative integer variables (m, n, x).

MSC 2010: 11B39; 11J86
  1. (Communicated by István Gaál)

References

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Received: 2020-07-23
Accepted: 2021-03-07
Published Online: 2022-06-11
Published in Print: 2022-06-27

© 2022 Mathematical Institute Slovak Academy of Sciences

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