Find the locus of middle points of chords of the ellipse `x^2/a^2+y^2/b^2=1` which subtend right angles at its centre.

Find the locus of middle points of chords of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 which subtend right angle at its center.

Find the locus of the middle points of the chords of the parabola y^2=4a x which subtend a right angle at the vertex of the parabola.

Find the locus of the mid point of the chord of the circle x^2+y^2=a^2 which subtend a right angle at the point (0,0).

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 mid points of chords of the cirlce. x^(2)+y^(2)=a^(2) which subtend angle 90^(@) at the centre of the circle.

Find the locus of the middle points of chord of an ellipse x^2/a^2 + y^2/b^2 = 1 which are drawn through the positive end of the minor axis.

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

Find the locus of the midpoint of the chords of the parabola y^2=4ax .which subtend a right angle at the vertex.

Find the locus of mid points of chords of the cirlce. x^(2)+y^(2)=a^(2) which subtend angle 90^(@) at the point (c,o).

Show tht the locus of the middle points of chords of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2)) = 1 drawn through an extremity of the minor axis is (x^(2))/(a^(2))+(y^(2))/(b^(2)) = pm (y)/(b)