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# The distance between the foci of the hyperbola $x^2-3y^2-4x-6y-11=0$ is

$\begin {array} {1 1} (1)\;4 & \quad (2)\;6 \\ (3)\;8 & \quad (4)\;10 \end {array}$
Can you answer this question?

(3) 8
answered Nov 7, 2013 by