If PSQ is a focal chord of the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` `(agtb)` then harmonic mean of SP and SQ is

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

If PSP' is a focal chord of the ellipse (x^(2))/(7)+(y^(2))/(9)=1 then (SP.SP')/(SP+SP') =

If PSP' is a focal chord of the ellipse (x^(2))/(7)+(y^(2))/(9)=1 then (SP.SP')/(SP+SP') =

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

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

If the eccentric angles of the ends of a focal chord of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(agtb) are theta_(1) and theta_(2) , then value of "tan"(theta_(1))/(2) "tan"(theta_(2))/(2) equals

If alpha,beta are the ends of a focal chord of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 then its eccentricity e is

Locus of mid-point of the focal chord of ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 with eccentricity e is

If p(theta) is a point on the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 (agtb) then find its coresponding point