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Tapasranjan Das Grade: 12
        

Q:- If (2,3,5) is one end of a diameter of the sphere x2+y2+z2-6x-12y-2z+20=0,then the coordinates of the other end of the diameter are:


A. (4,9,-3)


B. (4,-3,3)


C. (4,3,5)


D. (4,3,-3)

7 years ago

Answers : (1)

Ramesh V
70 Points
										

the eqn of sphere can be written as


(x-3)2 + (y-6)2 + (z-1)2 = 26


center is ( 3, 6, 1)


as center is mid point, the other end of diameter is (4, 9, -3)


option A


--


regards


Ramesh

7 years ago
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