洛必达法则//问几点数学常识lim是什么意思?lim(f(x)/F(x))与lim(f'(x)/F'(x))有何区别?设函数f(x)和F(x)满足下列条件:(1)x→a时,lim f(x)=0,lim F(x)=0; (2)在点a的某去心邻域内f(x)与F(x)都可导,且F(x)的导数不等于0; (3)x→a时,lim(f'(x)/F'(x))存在或为无穷大 则 x→a时,lim(f(x)/F(x))=lim(f'(x)/F'(x))

问题描述:

洛必达法则//问几点数学常识lim是什么意思?lim(f(x)/F(x))与lim(f'(x)/F'(x))有何区别?
设函数f(x)和F(x)满足下列条件:
(1)x→a时,lim f(x)=0,lim F(x)=0;
(2)在点a的某去心邻域内f(x)与F(x)都可导,且F(x)的导数不等于0;
(3)x→a时,lim(f'(x)/F'(x))存在或为无穷大 则 x→a时,lim(f(x)/F(x))=lim(f'(x)/F'(x))