14/03/25 20:00:04.61
>>574
xx-x+2=0 の2解
γ = (1-ｉ√7)/2,
δ = (1+ｉ√7)/2,
を使えば、
b(n) = (δ^n - γ^n)/(i√7),
２ = γδ,
α = γγ,
β = δδ,
14/03/25 20:00:04.61
>>574
xx-x+2=0 の2解
γ = (1-ｉ√7)/2,
δ = (1+ｉ√7)/2,
を使えば、
b(n) = (δ^n - γ^n)/(i√7),
２ = γδ,
α = γγ,
β = δδ,