Question
Sat March 02, 2013 By:

one end od a diameter of a sphere is at (0,0,0) and the centre is at the point (-1,2,4), thenfind the other end of the diameter.

Expert Reply
Sun March 03, 2013
Center of a sphere is located at the mid point of a diameter. 
 
Here, let the center of the sphere be O(-1,2,4) and AB be the diameter where A(0,0,0) and B(x,y,z)
 
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