1.

In an ellipse the distance between its foci is 6 and its minor axis is 8. Then its eccentricity is          [EAMCET 1994]

A.            \[\frac{4}{5}\]                           
B.            \[\frac{1}{\sqrt{52}}\]
C.            \[\frac{3}{5}\]                           
D.            \[25{{x}^{2}}+144{{y}^{2}}=900\]
Answer» D.            \[25{{x}^{2}}+144{{y}^{2}}=900\]


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