Mathematics
Senior High
Resolved
青のマーカーの式から緑のマーカーの式への変形の仕方を教えてほしいです🙇
2
-S=
col
2
col
232/(1-
3"
3n+¹ 2n 3
2.3"
S=~
S=
n
3"
3n+1-2n-3
4.3"-1
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ありがとうございます!