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NDA Math Conic Section
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Question : 13
Total: 34
The sum of the focal distance of a point on an ellipse is constant and equal to the
[NDA I 2019]
length of minor axis
length of major axis
length if latus rectum
sum of the lengths of semi-major and semi-minor axes
Validate
Solution:
(B)We know ps+ ps
1
= 2a i.e sum of the focal distances of a point an ellipse is constant and equal to length of major axis.
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