UPSC NDA I 2014 Mathematics Paper
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For the next two (02) items that follow:
Consider the spheres
x 2 + y 2 + z 2 − 4 y + 3 = 0 and x 2 + y 2 + z 2 + 2 x + 4 z − 4 = 0
Consider the spheres
[NDA I 2014]
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Question : 65 of 120
Marks:
+1,
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Consider the following statements:
1. The two spheres intersect each other.
2. The radius of first sphere is less than that of second sphere.
Which of the above statements is/are correct?
1. The two spheres intersect each other.
2. The radius of first sphere is less than that of second sphere.
Which of the above statements is/are correct?
[NDA I 2014]
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