A. (2, 1)
B. (0, 0)
C. (-2, -1)
D. (1, -1)
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
If the two circle x2+y2+2gx+c=0 and x2+y2-2fy-c=0 have equal radius then locus of (g, f) is
The point (3, -4) lies on both the circles x2+y2-2x+8y+13=0 and x2+y2-4x+6+11=0. Then the angle between the circles is
The nearest point on the circle x2+y2-6x-4y-12=0 from (-5, 4) is
The equation of the tangents to a circle x2+y2-4x-6y-12=0 and parallel to 4x-3y=1 are
The equation of the chord of the circle x2+y2=25 with (1, -1) as the midpoint is
The equations to the direct common tangents to the circles x2+y2+22x-4y-100=0, x2+y2-22x+4y+100=0is
If the equation of the circle cutting the circle x2+y2+2x-4y+8=0 orthogonally and coaxal with the circles x2+y2+6x+4y-12=0, x2+y2-4x-6y-12=0 is x2+y2+2ax+2by+c=0 then the ascending order of a, b, c is