If the circumference of the circle `x^2+y^2+8x+8y-b=0` is bisected by the circle `x^2+y^2=4` and the line `2x+y=1` and having minimum possible radius is `5x^2+5y^2+18 x+6y-5=0` `5x^2+5y^2+9x+8y-15=0` `5x^2+5y^2+4x+9y-5=0` `5x^2+5y^2-4x-2y-18=0`

If the circumference of the circle x^(2) + y^(2) + 8x + 8y - b = 0 is bisected by the circle x^(2) + y^(2) - 2x + 4y + a = 0 , then a + b =

The y-intercept of the circle x^(2)+y^(2)+4x+8y-5=0 is

The circumference of the circle x^(2)+y^(2)-2x+8y-q=0 is bisected by the circle x^(2)+y^(2)+4x+12y+p=0, then p+q is equal to

The equation of the circle passing through the point of intersection of the circle x^(2)+y^(2)=4 and the line 2x+y=1 and having minimum possible radius is (a) 5x^(2)+5y^(2)+18x+6y-5=0(b)5x^(2)+5y^(2)+9x+8y-15=0(c)5x^(2)+5y^(2)+4x+9y-5=0(c)5x^(2)+5y^(2)-4x-9y-5=0(c)5x^(2)+5y^(2)-4x-2y-18=0

Prove that the circle x^2 + y^2-6x-4y+9=0 bisects the circumference of the circle x^2 + y^2 - 8x-6y+23=0

Find the image of the circle x^(2)+y^(2)-2x+4y-4=0 in the line 2x-3y+5=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 ____