l i m n − > i n f F n / F n − 1 = Φ {\displaystyle lim_{n->inf}F_{n}/F_{n-1}=\Phi }
Φ {\displaystyle \Phi }
λ = 1 2 ( 1 + 5 ) {\displaystyle \lambda ={\frac {1}{2}}(1+{\sqrt {5}})\,\!} λ = 1 2 ( 1 − 5 ) {\displaystyle \lambda ={\frac {1}{2}}(1-{\sqrt {5}})\,\!}
( F k + 1 F k ) {\displaystyle \scriptstyle {F_{k+1} \choose F_{k}}\,\!}
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