UPSC NDA I 2017 Mathematics Solved Paper

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Question : 72 of 120

Marks: +1, -0

What is the differential equation corresponding to y2−2ay+x2=a2 by eliminating a ?

[NDA I 2017]

(x2−y2)p2−4pxy−2x2=0
(x2−2y2)p2+4pxy−x2=0
(x2+2y2)p2−4pxy−x2=0
(x2+y2)p2−4pxy+x2=0

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