A. a, b, c
B. b, c, a
C. c, a, b
D. b, a, c
The pole of the line y=x+2 e with respect to the ellipse x2+4y2-2x-6y-10=0 is
The equation of ellipse whose focus is (0, √a2-b2), directrix is y=a2/√a2-b2 and eccentricity is √a2-b2/a is