A. x2/a2+y2/b2=1
B. x2/b2+y2/a2=1
C. x2/a2+y2/b2=2
D. x2/b2+y2/a2=2
I: The locus of poles of chords of the ellipse x2/a2+y2/b2=1 which touch the parabola y2= 4px is p a2y2+b4x=0
II: The locus of poles of chords of the ellipse x2/a2+y2/b2=1 which touch the x2/α2+y2/β2=1 is α 2x2/a4+β2y2/b4=1
The locus of the middle point of chords of the ellipse x2/a2+y2/b2=1 which are at a constant distance d from the centre of the ellipse is
The locus of midpoint of the chord of the ellipse x2/a2+y2/b2=1 which pass through the fixed point (h, k) is
The equation of the auxiliary circle of x2/12+y2/18=1 is
If the chord of contact of the point (1, -2) with respect to the ellipse 4x2+5y2=20 is ax+by+c=0 then the ascending order of a, b, c is
The locus of a point P for which the chord of contact of x2/a2+y2/b2=1 touch the circle x2+y2=r2
The value of k if (1, 2) (k, -1) are conjugate points with respect to the ellipse 2x2+3y2=6 is
Pole of the line 2x+3y+4=0 w.r.to the ellipse x2/2+y2/4=1 is
The equation of the normal at a point hose eccentric angle is 3π/2+θ to the ellipse x2/9+y2/4=1 is
If 2x-y+3=0, 4x+ky+3=0 are conjugate with respect to the ellipse 5x2+6y2-15=0 then k=