Cho phương trình . Tìm tất cả các giá trị của tham số thực m để phương trình đã cho có nghiệm phân biệt.

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the letter A, B, C, or D o your answer sheet to indicate the word whose underlined part is pronounced differently from the other three in each question:    

• Choose the letter A, B, C, or D o your answer sheet to indicate the word whose underlined part is pronounced differently from the other three in each question:  

• Mark the letter A, B, C, or D to indicate the word whose bold and underlined part is pronounced differently from that of the rest in each of the following questions:

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions:     

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions:    

• Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:

• Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:  

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: