Complete solution of the exponential Diophantine equation $P_n^x+P_{n+1}^x=P_m^y$
Abstract
In this paper, we find all the solutions of the title Diophantine equation in positive integer variables $(m, n, x,y)$, where $P_k$ is the $k$th term of the Pell sequence.
Keywords
Pell numbers, Linear forms in logarithms, reduction methods
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