A, B, C are three points ` vec(ox),vec(oy),vec(oz)` respectively at a distances of a, b, c `(a ne 0, b ne 0, c ne 0)` from the origin O. Find the coordinates of the point which is equidistant from A, B, C and O.

Answer

`((a)/(2),(b)/(2),( c )/(2))`