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Mathematics, 07.07.2021 14:00 quayakaty
Xác định giá trị của tham số m để hàm số y=(m-3)x-(2m+1)cos x luôn nghịch biến trên R
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Xác định giá trị của tham số m để hàm số y=(m-3)x-(2m+1)cos x luôn nghịch biến trên R...
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