A. 8x+9y-25=0

B. 2x-3y-5=0

C. x+y-1=0

D. 3x-2y-6=0

The locus of the poles of chords of the ellipse x^{2}/a^{2}+y^{2}/b^{2}=1 which touch The locus of the poles w.r.t the ellipse x^{2}/α^{2}+y^{2}/β^{2}=1 is

The tangent and normal to the ellipse 4x^{2}+9y^{2} =36 at a point P on it meets the major axis in Q nd R respectively. If QR=4, then the eccentric angle of P is

If the polar of (2, -1) with respect to the ellipse 3x^{2}+4y^{2}=12 is ax+by+c=0 then the ascending order of a, b, c is

The total number of real tangents that can be drawn to the ellipse 3x^{2}+5y^{2}=32 and 25x^{2}+9y^{2}=450 passing through (3, 5) is

If the equation of the pair of tangents drawn from (1, 2) on the ellipse x^{2}+2y^{2}=2 is 3x^{2}-4xy-y^{2}+ax+by+c=0 then the ascending order of a, b, c is