Trong không gian $Oxyz$ , cho các điểm $I\left(1;0;-1\right)$ , $A\left(2;2;-3\right)$ . Mặt cầu $\left(S\right)$ tâm $I$ và đi qua điểm $A$ có phương trình là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  A new underground line ___________ now. They say one of its stations ____________ in my street.
   

• Choose the best answer for the following sentence:

  He wants to know when the final decision ___________. The activities of the committee and their delays already ____________ about.
   

• Choose the best answer for the following sentence:

  It was three o'clock. We ____________ to hurry up because we _____________.
  
  

• Choose the best answer for the following sentence:

  Do you believe that such a problem can _________?
   

• Choose the best answer for the following sentence:

  It must _____________ without delay.
  

• Choose the best answer for the following sentence:

  If I ___________ get a pole. I'll go fishing.
  
  

• Choose the best answer for the following sentence:

  If they had enough time, they ___________ head south.
   

• Choose the best answer for the following sentence:

  If you __________ a choice, which country would you visit?
   

• Choose the best answer for the following sentence:

  Trees won’t grow __________ there is enough water.
   

• Choose the best answer for the following sentence:

  _________ she agreed, you would have done it.