Giá trị của $m$ làm cho phương trình $(m-2)x^2-2mx+m+3=0$ có 2 nghiệm dương phân biệt là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  The schoolyard is too small to play volleyball in.
  
  

• Choose one sentence that has the same meaning as the root one:

  Jim came down with flu and had to stay in.
   

• Choose one sentence that has the same meaning as the root one:

  She said to us, ''Don’t be late again.''
   

• Choose one sentence that has the same meaning as the root one:

  The rain began to fall during my walk in the country.
   

• Choose one sentence that has the same meaning as the root one:

  I often get up early in the morning.
  
  

• Choose one sentence that has the same meaning as the root one:

  I should have gone by bus and saved a lot of money.
   

• Choose one sentence that has the same meaning as the root one:

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• Choose one sentence that has the same meaning as the root one:

  They arrange the tests in this book according to their difficult levels.
   

• Choose one sentence that has the same meaning as the root one:

  I am studying not only mathematics but also chemistry.
  
  

• Choose one sentence that has the same meaning as the root one:

  We were best friends in high school, but we lost touch while we were studying at university.