Mathematics
Junior High
Solved

平方根です!
何故この式に略せるかが分かりません〜
わかる方詳しくお願いします!( . .)"

2 x=√5+√2y=√5-√2のとき、次の式の値を求めな x²-2xy + y² x²-2xy + y² = (x − y)² ② 2 x {(√5+ √2)-(√5-√2) (2√√2) =8 HJ 8

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