Find the equation of the set of points which are equidistant from the points (1,2,3) and (3,2,-1) ?

Options

A. Both (A) and ( R ) are true and ( R ) is the correct explanation of (A)
B. Both (A) and ( R ) are true and ( R ) is not the correct explanation of (A)
C. (A) is true but ( R ) is false
D. (A) is false but ( R ) is true

Answer

A