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Karthik Eyan Grade: 11
        

Find the equation of family of circles which touch the pair of straight lines : x^2+y^2+2y-1=0

7 years ago

Answers : (1)

Chetan Mandayam Nayakar
312 Points
										

x2+y2+2y-1=0,thus (x-0)2+(y+1)2=2


this is a circle,not a pair of straight lines

7 years ago
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