Which of the following is a point on the common chord of the circle `x^2+y^2+2x-3y+6=0` and `x^2+y^2+x-8y-31=0?` (a)`(1,-2)` (b) `(1,4)` `(c)(1,2)` (d) `1,-4)`

Find the length of the common chord of the circles x^2+y^2+2x+6y=0 and x^2+y^2-4x-2y-6=0

The length of the common chord of the two circles x^2+y^2-4y=0 and x^2+y^2-8x-4y+11=0 is

Find the equations to the common tangents of the circles x^2+y^2-2x-6y+9=0 and x^2+y^2+6x-2y+1=0

Find the number of common tangent to the circles x^2+y^2+2x+8y-23=0 and x^2+y^2-4x-10 y+9=0

The distance from the center of the circle x^2+y^2=2x to the common chord of the circles x^2+y^2+5x-8y+1=0 and x^2+y^2-3x+7y-25=0 is (a)2 (b) 4 (c) (34)/(13) (d) (26)/(17)

Find the length of the common chord of the parabola y^2=4(x+3) and the circle x^2+y^2+4x=0 .

Find the number of common tangents that can be drawn to the circles x^2+y^2-4x-6y-3=0 and x^2+y^2+2x+2y+1=0

The coordinates of the middle point of the chord cut-off by 2x-5y+18=0 by the circle x^2+y^2-6x+2y-54=0 are (a) (1,4) (b) (2,4) (c) (4,1) (d) (1,1)

The number of common tangents to the circles x^(2) + y^(2) = 4 and x^(2)+y^(2)-6x-8y=24 is

Find the equation of radical axis of the circles x^(2)+y^(2)-3x+5y-7=0 and 2x^(2)+2y^(2)-4x+8y-13=0 .