[分析] 初微(45)
Let {c_n} be a sequence of positive numbers, show that
c_{n+1}
lim inf --------- ≦ lim inf c_n^{1/n}.
n→∞ c_n n→∞
Give an example such that ≦ can be <.
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.218.142
推
61.229.117.164 08/03, , 1F
61.229.117.164 08/03, 1F