Trong không gian với hệ tọa độ , cho điểm  và mặt phẳng . Mặt cầu tâm  tiếp xúc với  tại điểm . Tìm tọa độ điểm .  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  Anne had the TV on when her parents entered the room.
  
  

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

  How long have you had this watch?
  
  

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

  The tourists were unharmed after the train crash.
  
  

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

  Sophie exchanged the shoes for a different pair.
  
  

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

  I was shocked that John stole the car.
  
  

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

  Jane refused to attend his birthday party, which made him feel sad.
  
  

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

  The music was so loud that we couldn’t hear what you said.
  
  

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

  It’s a pity that Anne hates studying.
  
  

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

  Kate’s father was unhappy when she decided to quit school.
  
  

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

  The moon doesn’t have the atmosphere, neither does the planet Mars.