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

Karthik Eyan , 14 Years ago
Grade 11
anser 1 Answers
Chetan Mandayam Nayakar

Last Activity: 14 Years ago

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

this is a circle,not a pair of straight lines

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