1.

If the centre, one of the foci and semi-major axis of an ellipse be (0, 0), (0, 3) and 5 then its equation is [AMU 1981]

A. \[\frac{{{x}^{2}}}{16}+\frac{{{y}^{2}}}{25}=1\]
B. \[\frac{{{x}^{2}}}{25}+\frac{{{y}^{2}}}{16}=1\]
C. \[\frac{{{x}^{2}}}{9}+\frac{{{y}^{2}}}{25}=1\]
D. None of these
Answer» B. \[\frac{{{x}^{2}}}{25}+\frac{{{y}^{2}}}{16}=1\]


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