Mathematics
Senior High
Resolved

二次関数です、ここの式変形がどうにもうまくいきません、わかる方教えてください。

(1)より pk = 6 n 6 n 3 3 {k2-(n+1)k}- {ー 3n+2 n n+1 3n2 1 k + 2 2n

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✨ Best Answer ✨

これでわかりますか?

カイ

ありがとうございました!ミスに気づけました!

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