

MCQOPTIONS
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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. \[\frac{8}{9}\] | |