The length of the latus rectum of the ellipse \[9{{x}^{2}}+4{{y}^{2}}=1\], is [MP PET 1999]

The length of the latus rectum of the ellipse \[9{{x}^{2}}+4{{y}^{2}}=

1.	The length of the latus rectum of the ellipse \[9{{x}^{2}}+4{{y}^{2}}=1\], is [MP PET 1999]
A.	\[\frac{3}{2}\]
B.	\[\frac{8}{3}\]
C.	\[\frac{4}{9}\]
D.	\[\frac{8}{9}\]
Answer» D. \[\frac{8}{9}\]

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The length of the latus rectum of the ellipse \[9{{x}^{2}}+4{{y}^{2}}=1\], is [MP PET 1999]

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