lim(x的m次方-1)⼀(x的n次方-1),x趋向1,m和n为正整数,求极限!

2025-06-26 11:23:11
推荐回答(1个)
回答1:

m/n
解析:
//0/0型,使用洛必达法则
x→1时,
lim[(x^m-1)/(x^n-1)]
=lim[(x^m-1)'/(x^n-1)']
=lim[mx^(m-1)]/[nx^(n-1)]
=m/n