Mathematics
Senior High
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3教えてください！2枚目の1行目の解説からわからないです、、🙏
(287 2 次方程式 2x%-4zュニ0 の 2 つの解を g 2 (e<2の とす
るとき, 次の式の値を求めよ。
(1) gg2 (2U GIING (3)
3 (@ーの2=ニ(e+ の?一4g8ニ22一4エニ2
2
@ぐのより, み一おぐ0 であるから
〆ニニーツ2
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