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Mathematics
Senior High
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yu
yu

これの考え方を教えてください！

(②) 分子が 1, 分母が2 の倍数である分数が並ぶ数列 1 1 1duNi還 2・4' 6 8還軸還

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✨ Best Answer ✨

ヘロドトス
ヘロドトス

分母を見るとnの2倍になってるから
an=1/2n

yu
yu

あ、なるほど！ありがとうございます！

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