The locus of the mid points of the chords of the circle `x^2+y^2-ax-by=0` which subtends a right angle at `(a/2,b/2)` is

The locus of the midpoints of the chords of the circle x^(2)+y^(2)-ax-by=0 which subtend a right angle at ((a)/(2),(b)/(2)) is ax+by=0ax+by=a^(2)=b^(2)x^(2)+y^(2)-ax-by+(a^(2)+b^(2))/(8)=0x^(2)+y^(2)-ax-by-(a^(2)+b^(2))/(8)=0

Find the locus of the midpoint of the chords of the circle x^2+y^2-ax-by=0 which subtend a right angle at the point (a/2 ,b/2)dot is

Find the locus of the midpoint of the chords of the circle x^2+y^2-ax-by=0 which subtend a right angle at the point (a/2 ,b/2)dot 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 the chords of the circle x^(2)+y^(2)-4x-6y-3=0 which subtend a right angle at the point(h,k),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

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 mid points of a chord the circle x^(2)+y^(2)=18 which subtends right angle at the origin is