On the D(4)-triple {;F_{;2k};, F_{;2k+6};, 4F_{;2k+4};}; (CROSBI ID 157777)
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Filipin, Alan ; He, Bo ; Togbe, Alain
engleski
On the D(4)-triple {;F_{;2k};, F_{;2k+6};, 4F_{;2k+4};};
Let k be a positive integer. In this paper, we study the D(4)-quadruples {; ; F_{; ; 2k}; ; , F_{; ; 2k+6}; ; , 4F_{; ; 2k+4}; ; , d}; ; , where F_k is a kth Fibonacci number. We prove that if d is a positive integer such that the product of any two distinct elements of the set increased by 4 is a perfect square, then d = 4F_{; ; 2k+2}; ; F_{; ; 2k+3}; ; F_{; ; 2k+5}; ; . Therefore, we prove the uniqueness of the extension of another D(4)-triple involving Fibonacci numbers.
Diophantine m-tuples; Pell equations; Fibonacci numbers; Baker's method
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Matematika