1.

The latus rectum of an ellipse is 10 and the minor axis is equal to the distance between the foci. The equation of the ellipse is

A.            \[{{x}^{2}}+2{{y}^{2}}=100\]     
B.            \[{{x}^{2}}+\sqrt{2}{{y}^{2}}=10\]
C.            \[{{x}^{2}}-2{{y}^{2}}=100\]     
D.            None of these
Answer» B.            \[{{x}^{2}}+\sqrt{2}{{y}^{2}}=10\]


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