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UPSC NDA I 2023 Mathematics Solved Paper

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Consider the following for the next two (02) items that follow :
P(x,y) is any point on the ellipse x2+4y2=1. Let E,F be the foci of the ellipse.

[NDA I 2023]

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Question : 58

Total: 120

Consider the following points :
1. (‌

)
Which of the above points lie on latus rectum of ellipse?

1 and 2 only
2 and 3 only
1 and 3 only
1,2 and 3

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