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Long04
2 năm trước
cho P: y = x^2 - 2x + 4 và đường thẳng d: y= 2mx - m^2. tìm tất cả các giá trị của m để (P) giao d tại hai điểm phân biệt có hoành độ x1,x2 thỏa mãn x1^2 + 2(m+1)x2 = 3m^2 +16 mọi người ơi giúp mình vớiiiiiiiii giúp em đi các anh chị ơiiiii
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