Mathematics
Senior High
数列の問題で。真ん中のa n=の式ってどう考えたか分かりません、教えてください。
An+1
An
=
=
An + n
Ž
k = 1
k+o
n (n-1)
An = 1/2 nc
Answers
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数列の問題で。真ん中のa n=の式ってどう考えたか分かりません、教えてください。
Users viewing this question
are also looking at these questions 😉
一回やってみます、ありがとうございます