Liân-só-lu̍t

Liân-só-lu̍t (Hàn-jī : 連鎖律, Eng-gí: chain rule), sī the̍h lâi kiû ho̍k-ha̍p-hâm-sò͘ (複合函數) ê tō-sò͘ (導數) ê 1 ê bî-chek-hun hoat-chek.

Siat-tēng: $F(x)=f(g(x))$, tiō ū:

$F'(x)=f'(g(x))g'(x)$,

kî-tiong $a'(x)$ sī $a(x)$--ê tō-sò͘.