UPSC NDA I 2010 Mathematics Paper

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Question : 49 of 120

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What is the differential equation for y2=4a(x−a) ?

yy′−2xyy′+y2=0
yy′(yy′+2x)+y2=0
yy′(yy′−2x)+y2=0
yy′−2xyy′+y=0

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