Find the locus of the mid-point of chord of the circle `x^2 +y^2 = 9` such that segment intercepted by the chord on the curve `y^2 - 4x -4y = 0` subtends the right angle at the origin.

Find the locus of the mid point of the chord of a circle x^(2) + y^(2) = 4 such that the segment intercepted by the chord on the curve x^(2) – 2x – 2y = 0 subtends a right angle at the origin.

The locus of the middle point of the chord of the circle x^(2)+y^(2)=1 such that the segment of the chord on the parabola y=x^(2)-x subtends a right angle at the origin,is a circle whose centre and radius respectively are

The locus of the mid-points of chords of the circle x^2+y^2 =4 , which subtend a right angle at the origin, is:

The locus of the midpoint of the chord of the circle x^2 + y^2 =4 which subtends a right angle at the origin is?

The locus of the midpoint of a chord of the circle x^(2)+y^(2) = 4 which subtends a right angle at the origin is

The locus of the midpoints of chords of the circle x^(2) + y^(2) = 1 which subtends a right angle at the origin is

The locus of the midpoint of chord of the circle x^(2)+y^(2)=1 which subtends a right angle at the origin is