1.

The lengths of major and minor axis of an ellipse are 10 and 8 respectively and its major axis along the y-axis. The equation of the ellipse referred to its centre as origin is   [Pb. CET 2003]

A.            \[\frac{{{x}^{2}}}{25}+\frac{{{y}^{2}}}{16}=1\]                            
B.            \[\frac{{{x}^{2}}}{16}+\frac{{{y}^{2}}}{25}=1\]
C.            \[\frac{{{x}^{2}}}{100}+\frac{{{y}^{2}}}{64}=1\]                          
D.            \[\frac{{{x}^{2}}}{64}+\frac{{{y}^{2}}}{100}=1\]
Answer» C.            \[\frac{{{x}^{2}}}{100}+\frac{{{y}^{2}}}{64}=1\]                          


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