求解选择题第五题

2025-04-28 04:28:54
推荐回答(2个)
回答1:


回答2:

lim(n->∞) (2^n -1)/(3^n +1)
=lim(n->∞) [ (2/3)^n -(1/3)^n ]/[1 +(1/3)^n]
=0