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Clearnote
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Senior High
Mathematics
25番教えてください🙇🏻♂️🙇🏻♂️
Mathematics
Senior High
about 4 yearsago
ほ ん
25番教えてください🙇🏻♂️🙇🏻♂️
実数と力程式 52次関数と方程式・不等式 A 25. 実数を係数とする2次方程式x-2ax+a+6=0が,次の各条件を満たすとき、 定数 αの値の範囲をそれぞれ求めよ. 真 (1) 正の解と負の解をもつ. (2) 異なる2つの負の解をもつ. (3) すべての解が1より大きい. S (鳥取大)
25. (1) (3) 26. (1) a<-6 3 ≦a<7 -1 < a <5 (2) -6<a<-2
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