UPSC NDA I 2017 Mathematics Solved Paper

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Question : 92 of 120
 
Marks: +1, -0
(0,0,0),(a,0,0),(0,b,0)‌and‌(0,0,c)
are four distinct points. What are the coordinates of the point which is equidistant from the four points?
[NDA I 2017]
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