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多分だけど、-2n2乗を計算すると-(2n)2乗で-4n2乗になるんじゃない?
(2n+2)2乗-(2n)2乗＝4n2乗+8n+4-4n2乗＝8n+4＝4(2n2乗+1)
わかりにくくてごめんね!
ありがとうございます‼
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多分だけど、-2n2乗を計算すると-(2n)2乗で-4n2乗になるんじゃない?
(2n+2)2乗-(2n)2乗＝4n2乗+8n+4-4n2乗＝8n+4＝4(2n2乗+1)
わかりにくくてごめんね!
ありがとうございます‼
Users viewing this question
are also looking at these questions 😉
添付忘れ。