[分析] 初微(51)
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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◆ From: 140.112.218.142
推
61.219.178.212 08/16, , 1F
61.219.178.212 08/16, 1F
推
140.112.218.142 08/16, , 2F
140.112.218.142 08/16, 2F