作者TaiwanBank (澳仔金控台湾分行)
看板Math
标题[分析] 初微(51)
时间Tue Aug 16 15:29:26 2005
Let a_n≧0 for all n, and
n
b_n = ( Σ a_k)/n,
k=1
n
c_n = ( Π a_k)^{1/n}.
k=1
Discuss the relation of {a_n}, {b_n} and {c_n}.
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