1.

For the ellipse \[3{{x}^{2}}+4{{y}^{2}}=12\], the length of latus rectum is          [MNR 1973]

A.            \[\frac{3}{2}\]                           
B.            3
C.            \[\frac{8}{3}\]                           
D.            \[\sqrt{\frac{3}{2}}\]
Answer» C.            \[\frac{8}{3}\]                           


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