If `PSQ` is a focal chord of the ellipse `16x^2+25y^2=400` such that `SP=8,` then find the length of `SQ.` is (a) `1` (b) `2` (c) `3` (d) `4`

The eccentricity of the ellipse 16x^2 + 25y^2 = 400 is

If P S Q is a focal chord of the parabola y^2=8x such that S P=6 , then the length of S Q is (a)6 (b) 4 (c) 3 (d) none of these

The eccentricity of the ellipse 16x^(2)+25y^(2)=400 is ……………… .

The vertices of the ellipse 16x^(2) + 25y^(2) = 400 are …………

Column I, Column II An ellipse passing through the origin has its foci (3, 4) and (6,8). Then the length of its minor axis is, p. 8 If P Q is a focal chord of the ellipse (x^2)/(25)+(y^2)/(16)=1 which passes through S-=(3,0) and P S=2, then the length of chord P Q is, q. 10sqrt(2) If the line y=x+K touches the ellipse 9x^2+16 y^2=144 , then the difference of values of K is, r. 10 The sum of distances of a point on the ellipse (x^2)/9+(y^2)/(16)=1 from the foci is, s. 12

If A B is a focal chord of x^2-2x+y-2=0 whose focus is S and A S=l_1, then find B Sdot

If the midpoint of the chord of the ellipse x^2/16+y^2/25=1 is (0,3)

If (2,-8) is at an end of a focal chord of the parabola y^2=32 x , then find the other end of the chord.

If the mid-point of a chord of the ellipse (x^2)/(16)+(y^2)/(25)=1 (0, 3), then length of the chord is (1) (32)/5 (2) 16 (3) 4/5 (4)12 (5) 32

The focal chord of the parabola y^2=a x is 2x-y-8=0 . Then find the equation of the directrix.