A. 4x+3y+14=0, 4x+3y+16=0
B. 4x-3y-24=0, 4x-3y+26=0
C. 4x+3y+14=0, 4x+3y+16=0
D. 4x-3y+34=0, 4x-3y+16=0
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
The equation of the circle with centre at (2,3) and touching x-axis is
The condition that the circles x2+y2+2ax+2by+c=0, x2+y2+2bx+2ay+c=0 to touch each other is
The number of common tangents that can be drawn to the circles x2+y2=1 and x2+y2-2x-6y+6=0 is
The lines 2x-3y=5 and 3x-4y=7 are two diameters of a circle of area 154 sq unit. Then the equation of this circle is
The circle x2+y2-4x+4y-1=0 cuts the positive coordinate axes in A and B respectively. The equation to the diameter of the circle perpendicular to the chord AB is
If the equation of the circle cutting orthogonally the circles x2+y2-6x=0, x2+y2+4x+3y+1=0 and which has its centre on the line x+2y=5 is x2+y2-2ax-2by+c=0 then the descending order of a, b, c is
The radius of the circle passing through the point (6, 2) and two of whose diameters are x+y=6 and x+2y=4 is