[" The locus of the points of intersection of the tan "],[" gents at the extremities of the chords of the ellipse "],[x^(2)+2y^(2)=6" which touches the ellipse "],[x^(2)+4y^(2)=4," is "]

The locus of the point of intersection of the tangents at the extremities of the chords of the ellipse x^(2)+2y^(2)=6 which touch the ellipse x^(2)+4y^(2)=4, is x^(2)+y^(2)=4(b)x^(2)+y^(2)=6x^(2)+y^(2)=9(d) None of these

The locus of the point of intersection of the tangents at the extremities of the chords of the ellipse x^2+2y^2=6 which touch the ellipse x^2+4y^2=4, is x^2+y^2=4 (b) x^2+y^2=6 x^2+y^2=9 (d) None of these

The locus of the point of intersection of the tangents at the extremities of a chord of the circle x^(2)+y^(2)=r^(2) which touches the circle x^(2)+y^(2)+2rx=0 is

The locus of the point of intersection of the tangents at the extremities of a chord of the circle x^(2)+y^(2)=r^(2) which touches the circle x^(2)+y^(2)+2rx=0 is

The locus of points of intersection of the tangents to x^(2)+y^(2)=a^(2) at the extremeties of a chord of circle x^(2)+y^(2)=a^(2) which touches the circle x^(2)+y^(2)-2ax=0 is/are :

The locus of points of intersection of the tangents to x^(2)+y^(2)=a^(2) at the extremeties of a chord of circle x^(2)+y^(2)=a^(2) which touches the circle x^(2)+y^(2)-2ax=0 is/are :

Locus of the point of intersection of the tangent at the ends of focal chord of an ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 , (b lt a) is

The locus of the point of intersection of the tangent at the endpoints of the focal chord of the ellipse (x^2)/(a^2)+(y^2)/(b^2)=1 ( b < a) (a) is a an circle (b) ellipse (c) hyperbola (d) pair of straight lines