Question

1
If the circles x2 + y2 - 10x + 2y + 10 = 0 and x?
+ y2 - 4x - 6y - 12 = 0 touch each other then
the slope of the common tangent at the point
of contact of the circles is


2.The perpendicular distance from the origin to
the radical axis of the circles 2x²+2y2-3x-y+3=0
and 3x2 + 3y2 - x + y - 1 = 0 is


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Answer 1

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