求解答~~急

2024-12-27 09:00:09
推荐回答(2个)
回答1:

x在ln6,
y在ln2处连续,
直接代入计算就行:
=3/ln6

回答2:

lim_({x, y}->{log(6), log(2)})e^(x - y)/x=3/log(6)(假设变量为实值)