If the circle `x^(2) + y^(2) + 6x - 2y + k = 0 ` bisects the circumference of the circle `x^(2) + y^(2) +2x - 6y - 15 = 0 `, then k =

If the circle x^(2) + y^(2) + 4x - 6y - c = 0 bissects the circumference of the circle x^(2) + y^(2) - 6x + 4y - 12 = 0 , then c =

If the circle x^(2) + y^(2) + 4x -22y + c = 0 bisects the circumference of the circle x^(2) + y^(2) - 2x + 8y - d = 0 , then c + d =

If the circel x ^(2) +y^(2) +6x -2y +k=0 bisects the circumference of the circel x ^(2) +y^(2) +2x -6y-15=0, then the value of k is-

If the circle x^(2)+y^(2)+6 x-2 y+k=0 bisects the circumference of the circle x^(2)+y^(2)+2 x-6 y-15-0 then k=

If the circle 3x^(2)+3y^(2)+10x+y-27=0 bisects the circumference of the circle x^(2)+y^(2)=k then k^(2)

If the circle 3x^(2)+3y^(2)+10x+y-27=0 bisects the circumference of the circle x^(2)+y^(2)=k then k^(2)-1=

The value of k for which the circle x ^(2) +y ^(2) - 4x + 6y + 3=0 will bisect the circumference of the circle x ^(2) + y ^(2) + 6x - 4y + k =0 is

If the circle x^(2)+y^(2)+4x+22y+c=0 bisects the circumference of the circle x^(2)+y^(2)-2x+8y-d=0 then c+d