Mathematics, 17.08.2021 05:50 namira16

Cho hàm số 2x2 -4x-1 có đồ thị ( P ) a, khảo sát và vẽ ( p )
b, tìm tọa độ giao điểm của ( p) với d:y=x-1
c, dựa vào đồ thị , tìm các giá trị tham số m để phương trình : 2x2 -5x-1+6m=0 có 1 nghiệm dương và 1 nghiệm hông dương

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Cho hàm số 2x2 -4x-1 có đồ thị ( P ) a, khảo sát và vẽ ( p )
b, tìm tọa độ giao điểm của ( p...