" i) "y^(2)-6y+6=0

The centre of similutude of the circles x^(2)+y^(2)-2x-6y+6=0, x^(2)+y^(2)=1 is

The centres of similutude of the circles x^(2)+y^(2)-2x-6y+6=0, x^(2)+y^(2)=1 is

The equation of the tangent from the point (0, 1) to the circle x^(2)+y^(2)-2x-6y+6=0

If one of the diameters of the circle x^(2)+y^(2)-2x-6y+6=0 is a chord to the circle with center (2,1) ,then the radius of the circle is

If one of the diameters of the circle x^(2)+y^(2)-2x-6y+6=0 is a chord to the circle with centre (2,1), then the radius of circle is:

The radius of circle having centre at (2,1) and whose on of the chord is diameter of the circle x^(2)+y^(2)-2x-6y+6=0 is

If the equation of tangent to the circle x^(2)+y^(2)-2x+6y-6=0 and parallel to 3x-4y+7=0 is 3x-4y+k=0 then the values of k are

Show that the circles x^(2)+y^(2)-8x-2y+8=0 and x^(2)+y^(2)-2x+6y+6=0 touch each other and find the point of contact.

The distance of the point (1,2) from the common chord of the circles x^(2)+y^(2)+6x-16=0 and x^(2)+y^(2)-2x-6y-6=0 is