Mathematics
Senior High
解き方と答えの書き方が分かりません
解説お願いします
★★★ 【2次方程式の解の判別]
5
次の2つの2次方程式の一方が異なる2つの実数解をもち,他方が虚数
解をもつような定数αの値の範囲を求めよ。
x-2x+α= 0, x2+4x-2a=0
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