Mathematics
Undergraduate
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どうやって計算したら下の段のようになるんですか?

y=1-1 より x=y'+l(yzo)となる

Answers

✨ Best Answer ✨

y=√x-1
→ y+1=√x
→ (y+1)²=x
→ y²+2y+1=x
→ x=y²+2y+1

x=y²+1 にはなりません。

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