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linhlinh6111990
2 năm trước
cho phương trình: 2$x^{2}$ + (2m-1)x + m-1 = 0, với m là tham số tìm m để phương trình trên có hai nghiệm x1, x2 thỏa mãn 4.$x^{2}$ 1 + 2.x1.x2 + 4$x^{2}$ 2 = 1 cho phương trình: 2$x^{2}$ + (2m-1)x + m-1 = 0, với m là tham số tìm m để phương trình trên có hai nghiệm x1, x2 thỏa mãn 4.$x^{2}$ 1 + 2.x1.x2 + 4$x^{2}$ 2 = 1
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