作者TaiwanBank (澳仔金控台湾分行)
看板Math
标题[分析] 初微(45)
时间Tue Aug 2 15:43:17 2005
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 ＜.
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1F：推 JGU:example: {c_n} = {1,2,1,2,1,2,....} 61.229.117.164 08/03