1.

Eccentricity (e) of the conic sections __________ when the distance of a point on the conic sections from the focus is f and the distance of the same point from the directrix is d.

A. d*f
B. d/f
C. f/d
D. d*f*0.5
E. of the conic sections __________ when the distance of a point on the conic sections from the focus is f and the distance of the same point from the directrix is d.a) d*fb) d/fc) f/dd) d*f*0.5
Answer» D. d*f*0.5


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