首页 > 复合函数的导数

复合函数求导公式推导如下: F'(g(x)) = [ F(g(x+dx)) - F(g(x)) ] / dx (1) g(x+dx) - g(x) = g'(x)*dx = dg(x) (2) g(x+dx) = g(x) + dg(x) (3) F'(g(x)) = [ F(g(x) + dg(x)) - F(g(x)) ] /dx = [ F(g(x) +...