Mathematics, 12.09.2021 14:00 ciya12

cho parabol(P):y=x^2 và đường thẳng (d):y=2(m+1)x+3.Tìm m để (d) cắt(p) tại 2 điểm phân biệt có hoành độ x1,x2 thỏa mãn:2|x1|+|x2|=5

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cho parabol(P):y=x^2 và đường thẳng (d):y=2(m+1)x+3.Tìm m để (d) cắt(p) tại 2 điểm phân biệt có hoàn...