Cho hàm số y = x^3 + 3mx^2 - 5mx + m^2 - m - 1 Viết phư
A. \(y = - \dfrac{{\left( {18{m^2} + 30m} \right)}}{9}x + \dfrac{{24{m^2} - 9m - 9}}{9}\).
B.\(y = \dfrac{{\left( {18{m^2} + 30m} \right)}}{9}x - \dfrac{{24{m^2} - 9m - 9}}{9}\)
C.\(\dfrac{{24{m^2} - 9m - 9}}{9}x - \dfrac{{18{m^2} + 30m}}{9}\)
D.\( - \dfrac{{24{m^2} - 9m - 9}}{9}x + \dfrac{{18{m^2} + 30m}}{9}\).
A. \(y = - \dfrac{{\left( {18{m^2} + 30m} \right)}}{9}x + \dfrac{{24{m^2} - 9m - 9}}{9}\).
B.\(y = \dfrac{{\left( {18{m^2} + 30m} \right)}}{9}x - \dfrac{{24{m^2} - 9m - 9}}{9}\)
C.\(\dfrac{{24{m^2} - 9m - 9}}{9}x - \dfrac{{18{m^2} + 30m}}{9}\)
D.\( - \dfrac{{24{m^2} - 9m - 9}}{9}x + \dfrac{{18{m^2} + 30m}}{9}\).
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Hóa Học lớp 12
