UPSC NDA I 2013 Mathematics Paper

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Question : 23 of 120

Marks: +1, -0

The equation of the ellipse whose vertices are at (±5,0) and foci at (±4,0) is

‌
x2
25
+‌
y2
9
=1
‌
x2
9
+‌
y2
25
=1
‌
x2
16
+‌
y2
25
=1
‌
x2
25
+‌
y2
16
=1

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