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tuyenkieuvan
2 năm trước
Bài 9. Cho đa thức f(x)- (m-1)x +3m-1 a/ Tìm m để x--4 là một nghiệm của f(x) b/ Tìm m để f(-5)= - 1 Bài 10. Cho đa thức g(x)-4ax-6. Tìm g(- 5) biết g(1/2)= -8 Bài 9 rảnh làm thêm bài 10 thì càng tốt
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