1.

The sum of focal distances of any point on the ellipse with major and minor axes as 2a and 2b respectively, is equal to               [MP PET 2003]

A.            2a   
B.            \[\frac{2a}{b}\]
C.            \[\frac{2b}{a}\]                         
D.            \[\frac{{{b}^{2}}}{a}\]
Answer» B.            \[\frac{2a}{b}\]


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