In the conic \(\frac{l}{r} = 1 + ecos\theta \), the sum of the recipr – McqOptions

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1.	In the conic \(\frac{l}{r} = 1 + ecos\theta \), the sum of the reciprocals of the segments of any focal chord is
A.	1/l
B.	3/l
C.	4/l
D.	2/l
Answer» E.

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