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

The locus of the mid-point of the chords of the circle x^(2)+y^(2)=4 which subtends a right angle at the origin is x+y=2 2.x^(2)+y^(2)=1x^(2)+y^(2)=2x+y=1

The locus of the midpoints oof chords of the circle x^(2)+y^(2)=4 which substends 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 origins is x+y=2(b)x^(2)+y^(2)=1x^(2)+y^(2)=2(d)x+y=1

The locus of the midpoint of chord of the circle x^(2)+y^(2)=1 which subtends 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 mid point of a chord of the circle x^(2)+y^(2)=4 which subtends a right angle at the origin is

Locus of the middle points of chords of the circle x^(2)+y^(2)=16 which subtend a right angle at the centre is