Tìm giá trị thực của tham số m để đường thẳng d:vuông góc với đường thẳng đi qua hai điểm cực trị của đồ thị hàm số.         

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  The children are still ill but they _______________ better gradually.
   

• Choose the best answer for the following sentence:

  Don’t bother her. She ________________ her French lesson; she always __________________ 
  it in the morning.
   

• Choose the best answer for the following sentence:

  The living standards _____________ . Every month, things ____________ more 
  expensive.
   

• Choose the best answer for the following sentence:

  Tom and Mary _________________ for Vietnam tomorrow.

• Choose the best answer for the following sentence:

  Mercury _______________ at 357.23 degrees centigrade.
    

• Choose the best answer for the following sentence:

  ''We must buy new plates.'' ''It's useless. You always plates __________________ plates''.
   

• Choose the best answer for the following sentence:

  It ________________ me that they can't sell their flat.
  
  

• Choose the best answer for the following sentence:

  A woman who ________________ after other people's children is a nanny.
  
  

• Choose the best answer for the following sentence:

  Be quiet, please. We ______________ at the translation and you _________________ a lot
  of noise.
   

• Choose the best answer for the following sentence:

  He always _______________ for a walk in the evening.