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Mathematics, 15.09.2021 14:00 chloe8979

Cho phương trình x^2 - 2(m-1)x + m^2 - 3m = 0 . Định m để phương trình: 1) Có hai nghiệm thỏa mãn 3(x1 + x2) = 4x1x2
2) Có 2 nghiệm thỏa mãn x1 = 3x2

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Cho phương trình x^2 - 2(m-1)x + m^2 - 3m = 0 . Định m để phương trình: 1) Có hai nghiệm thỏa mãn...
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