1.

Eccentricity of the ellipse whose latus rectum is equal to the distance between two focus points, is

A.            \[\frac{\sqrt{5}+1}{2}\]            
B.            \[9{{x}^{2}}+5{{y}^{2}}-30y=0\]
C.            \[\frac{\sqrt{5}}{2}\]                
D.            \[\frac{\sqrt{3}}{2}\]
Answer» C.            \[\frac{\sqrt{5}}{2}\]                


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