1+2+3+4+.....＝？ - 拼圖
By Yedda
at 2014-05-10T16:21
at 2014-05-10T16:21
Table of Contents
看到這個讓我想起另一個和無限級數有關的東西
(-1)^(n+1)
Q1 Σ---------- = ?
n
Q2 令集合 S 為
(-1)^(n+1)
S = { ---------- | n = 1, 2, 3, 4, ... }
n
如果我們把 S 中的元素全部加起來，那
a. 會收斂嗎？
b. 如果收斂，那是多少？
--
(-1)^(n+1)
Q1 Σ---------- = ?
n
Q2 令集合 S 為
(-1)^(n+1)
S = { ---------- | n = 1, 2, 3, 4, ... }
n
如果我們把 S 中的元素全部加起來，那
a. 會收斂嗎？
b. 如果收斂，那是多少？
--
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