Mathematics
Senior High
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これの計算方法を教えてください!!!

F-1 {+- ( 7 )-1} { 4+
数b 数列 等比数列

Answers

✨ Best Answer ✨

分母が1/2になるので分子の1/2と約分して
4+{1-(1/2)^(n-1)}
=5-(1/2)^(n-1)
になります。

サトウ

助かりました!ありがとうございます!!!😭

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