Đồ thị sau đây của hàm số \(y = {x^4} - 3{x^2} - 3...
Câu hỏi: Đồ thị sau đây của hàm số \(y = {x^4} - 3{x^2} - 3.\) Với giá trị nào của m thì phương trình \({x^4} - 3{x^2} + m = 0\) có ba nghiệm phân biệt?![](data:image/png;base64,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)
A. m = -4
B. m = 0
C. m = -3
D. m = 4
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán năm 2019 Trường THPT Bình Minh - Ninh Bình