A. x2+y2+4x-6y+4=0
B. x2+y2+4x-6y-9=0
C. x2+y2+4x-6y-4=0
D. x2+y2+4x-6y+9=0
The equation of the circle with centre at (-3, 4) and touching y-axis is
The centre of the circle (1+m2)(x2+y2)-2cx-2cmy=0 is
The equation of the circle which cuts orthogonally the three circles x2+y2+4x+2y+1=0, 2x2+2y2+8x+6y-3=0 , x2+y2+6x-2y-3=0 is
If the lines 3x-4y-7 =0and 2x-3y-5=0 are two diameters of a circle of area 49π sq unit. Then the equation of this circle is
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The centre of the circle x2+y2-4x-2y-4=0 is
If the two circles (x-2)2+(y-3)2=r2and x2+y2-10x+2y+17=0 intersect in two distrinct points then
The limiting points of coaxal system x2+y2+11x-5y-2+λ(x-y-1)=0 is
The equation of the circle passing through the point of intersection of the circles x2+y2-3x-6y+8=0, x2+y2-2x-4y+4=0 and touching the line x+2v=5 is