If `Sa n dS '` are two foci of ellipse `16 x^2+25 y^2=400a n dP S Q` is a focal chord such that `S P=16 ,` then find `S^(prime)Qdot`

If S and S' are two foci of the ellipse 16x^2+25y^2=400 and PSQ is a focal chord such that SP=16 then find S'Q

Foci of the ellipse 16x^(2)+25y^(2)=400 are

Let S and s' are two foci of the ellipse 4x^(2)+9y^(2)=36 and PSQ is a focal chord such that SP=4, then S'Q is equal to

The foci of 16x ^(2) + 25 y^(2) =400 are

The length of the latusrectum of the ellipse 16x^(2)+25y^(2)=400 is

The line 3x+5y=k touches the ellipse 16x^(2)+25y^(2)=400 ,if k is

PSP" is a focal chord of the ellipse 16x^(2)+25y^(2)=400 .If SP=8 then SP" =

If S and S' are two foci of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and B is and end of the minor axis such that Delta BSS' is equilateral,then write the eccentricity of the ellipse.

If PSQ is a focal chord of the ellipse 16x^(2)+25y^(2)=400 such that SP=16, then the length SQ is