[" If the length of the common "],[" chord of two circles "],[x^(2)+y^(2)+8x+1=0" and "],[x^(2)+y^(2)+2 mu y-1=0" is "2sqrt(6)],[" then "mu=]

If the length of the common chord of two circles x^(2)+y^(2)+8x+1=0 and x^(2)+y^(2)+2 mu y-1=0 is 2sqrt(6), then the values of mu are +-2(b)+-3(c)+-4(d) none of these

The length of the common chord of the two circles x^(2) + y^(2) - 4y = 0 " and " x^(2) + y^(2) - 8x - 4y - 11= 0 is

The length of the common chord of the circle x^(2)+y^(2)+2 x+3 y+1=0 and x^(2)+y^(2)+4 x+3 y+2=0 is

The length of the common chord of the circles x^(2) + y^(2) + 2gx + c = 0 and x^(2) + y^(2) + 2fy - c = 0 is

The length of the common chord of the circles x^(2) + y^(2) + 2hx = 0 , x^(2) + y^(2) - 2ky = 0 is

The length of the common chord of the two circles x^(2)+y^(2)-4y=0 and x^(2)+y^(2)-8x-4y+11=0 is

If the length of the common chord of two circles x^2 +y^2+8x+1=0 and x^2 +y^2+2muy-1=0 is 2sqrt6 , then the value of mu is

The length of the common chord of the circles x^(2)+y^(2)-2x-1=0 and x^(2)+y^(2)+4y-1=0 , is

The length of the common chord of the circles x^(2)+y^(2)-2x-1=0 and x^(2)+y^(2)+4y-1=0 , is