If P(1,0), Q(-1,0) and R (2,0) are three given points, then the locus of the point `S` satisfying the relation `(SQ)^2+(SR)^2=2(SP)^2`

If P(1,0) ,Q(-1,0) and R(2,0) are three given points ,then the locus of point S satisfying the relation (SQ)^(2)+(SR)^(2)=2(SP)^(2) is

If P= (1,0);Q=(-1,0) & R= (2,0) are three given points, then the locus of the points S satisfying the relation, SQ^2 + SR^2 =2SP^2 is - (a)a straight line parallel to x-axis (b) A circle through origin (c) A circle with center at the origin (d)a straight line parallel to y-axis

If P= (1,0);Q=(-1.0) & R= (2,0) are three given points, then the locus of the points S satisfying the relation, SQ^2 + SR^2 =2SP^2 is -

If P-=(1,0), Q-=(-1, 0), R-=(2,0) are three given points, then the locus of the point S satisfying the condition SQ^2+SR^2=2SP^2 is

If P=(1,0);Q=(-1.0)&R=(2,0) are three given points,then the locus of the points S satisfying the relation,SQ^(2)+SR^(2)=2SP^(2) is -

If P = (1,0), Q = (-10) and R = (2, 0) are three given points, then the focus of a given points S satisfy the relation SQ^(2)+SR^(2) = 2SP^(2) is a:

If P=(1,0), Q=(-1,0) and R=(2,0) are three given points, then the locus of S satisfying the relation S Q^(2)+S R^(2)=2 S P^(2) is

Let P-=(a, 0), Q-=(-1, 0) and R-=(2, 0) are three given points. If the locus of the point S satisfying the reaction SQ^(2)+SR^(2)=2SP^(2) is 2x+3=0 . Then the sum of all possible values of a is