If the line `x+2b y+7=0` is a diameter of the circle `x^2+y^2-6x+2y=0` , then find the value of `b`

The line x+3y=0 is a diameter of the circle x^(2)+y^(2)-6x+2y=0

The line x+3y=0 is a diameter of the circle x^(2)+y^(2)+6x+2y=0

If the line x + 2by + 7 = 0 is a diameter of the circle x^(2) + y^(2) - 6x + 2y = 0 , then : b =

Find the diameter of the circle 2x^(2)+2y^(2)-6x-9=0 .

If line 2x - y + k = 0 is a diameter of circle x^(2) + y^(2) + 6x - 6y + 5 = 0 , then k =

If (4, 1) be an end of a diameter of the circle x^2 + y^2 - 2x + 6y-15=0 , find the coordinates of the other end of the diameter.

Which of the following line is a diameter of the circel x ^(2) + y^(2) -6x-8y-9=0 ?

If the circle x^2+y^2-6x-4y+9=0 bisects the circumference of the circle x^2+y^2-8x-6y+a=0 , then the value of a is ____

AB is any chord of the circle x^(2)+y^(2)-6x-8y-11=0 which subtends an angle (pi)/(2) at (1,2). If locus of midpoint of AB is a circle x^(2)+y^(2)-2ax-2by-c=0; then find the value of (a+b+c).