Consider a branch of the hyperbola x2−2y2−22x−42y−6=0 with vertex at the point A. Let B be one of the end points of its latus rectum. If C is the focus of the hyperbola nearest to the point A, then the area of the triangle ABC is
(1) 1−32
(2) 23−1
(3) 1+32
(4) 23+1