Mathematics
Senior High
この計算どうやってしたか分かりますか？S -S nの計算です
64a
a=1
===
111なので収束
S=
Sn
=
/
-
方
1-(1)
1-1
=
b
7
n
// {1-(方}
718-8-1
=
7
(ウ)
n
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