A. x2 + y2 + x + 3y + 3 = 0
B. 2x2 +2y2 + 2x + 6y + 1 = 0
C. x2 + y2 +x +6y + 1 = 0
D. 2x2 + 2y2 + x + 3y +1 = 0
The extremities of a diameter of a circle have coordinates (-4, -3) and (2, -1). The length of the segment cut off by the circle on y-axis is
The number of common tangents to the two circles x2+y2-x=0, x2+y2+x=0 is
The centres of similitude of the circles x2+y2-2x-6y+9=0, x2+y2=1 is
The inverse point of (1, 2) with respect to the circle x2+y2-4x-6y+9=0 is
If the polars of points on the circle x2+y2= a2 w.r.t the circle x2+y2= b2 touch the circle x2+y2= c2, then a, b, c are in
If the equation of the circle which cuts orthogonally the circle x2+y2-4x+2y-7=0 and having centre at (2, 3) is x2+y2+2ax+2by+c=0 then the ascending order of a, b, c is
The parametric equation of the circle x2+y2+x+√3y=0 is
How many circles can be drawn each touching all the three lines x+y=1, x+1=y, 7x-y=6
Equation of the circle passing through A(1, 2), B(5, 2) so that the angle substended by AB at points on the circle is π/4 is
Match the following