x^(2)-y^(2)+6y-9=

The circles x^(2)+ y^(2) -6x-2y +9 = 0 and x^(2) + y^(2) =18 are such that they :

The circles x^(2)+ y^(2) -6x-2y +9 = 0 and x^(2) + y^(2) =18 are such that they :

The total number of common tangentss of x^(2)+y^(2) -6x-8y+9=0 and x^(2)+y^(2)=1 is

Which of the following is/are true ? The circles x^(2)+y^(2)-6x+6y+9=0 and x^(2)+y^(2)+6x+6y+9=0 are such that :

Which of the following is/are true ? The circles x^(2)+y^(2)-6x+6y+9=0 and x^(2)+y^(2)+6x+6y+9=0 are such that :

If the equation of a circle of a circle is 10x^(2)-10x+y^(2)+6y=-9 , which of the following lines contains a diameter of the circle?

The inverse of the point (1,2) with respect to circle x^(2)+y^(2)-4x-6y+9=0

The inverse of the point (1, 2) with respect to the circle x^(2) + y^(2) - 4x - 6y + 9 = 0 is

The inverse of the point (1, 2) with respect to the circle x^(2) + y^(2) - 4x - 6y + 9 = 0 is