. A point P on the ellipse
x2/2+y2/1= 1 is at a distance of 
from its focus S. The ratio of its distances from the directrices of the ellipse is
(A) 1 : 3 (B) 1 : 2
(C) 1 : 1 (D) none of these
Best Answer
Answer: Here a2 = 2, and b2 = 1
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