✨ Best Answer ✨
(a+b)²＝a²+2ab+b²
これに代入すると
(4)²＝a²－6+b²
16＝a²－6+b²
22＝a²+b²
これでいけると思います！
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✨ Best Answer ✨
(a+b)²＝a²+2ab+b²
これに代入すると
(4)²＝a²－6+b²
16＝a²－6+b²
22＝a²+b²
これでいけると思います！
Users viewing this question
are also looking at these questions 😉
ありがとうございます!