UPSC NDA Math Model Paper 10
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Comprehension:(Que No. 92 - 93)
Consider the spheresx 2 + y 2 + z 2 − 4 y + 3 = 0
Andx 2 + y 2 + z 2 + 2 x + 4 z − 4 = 0
Consider the spheres
And
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Question : 92 of 120
Marks:
+1,
-0
What is the distance between the centers of the two spheres?
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