If the circles x2+y2+2ax+c=0 and x2+y2+2by+c=0 touch each other, then – InterviewSolution

1.	If the circles x2+y2+2ax+c=0 and x2+y2+2by+c=0 touch each other, then c is _________.where a & b ϵ R.
Answer» If the circles $x^{2} + y^{2} + 2 a x + c = 0 a n d x^{2} + y^{2} + 2 b y + c = 0$ touch each other, then c is _________.where $a & b ϵ R$ .

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