The locus of the poles of normal chords of the ellipse `x^(2)/a^(2) + y^(2)/b^(2) = 1`, is

Find the locus of the mid-points of normal chords of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1

The locus of he middle points of the chords of the ellipse x^(2)/a^(2)+y^(2)/b^(2)=1 which are at a constant disance 'd' form the cantre is

The locus of the mid-points of the chords of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 which pass through the positive end of major axis,is.

The locus of mid-points of a focal chord of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1

The locus of the poles of the chords of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 which subtend a right angle at its centre is

The locus of points whose polars with respect to the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 are at a distance d from the centre of the ellipse, is