If the curve y=|x−3| touches the parabola y2=λ(x−4),λ>0, then length of latus rectum of the parabola(in units) is
Latus rectum of the parabola y2−4y−2x−8=0 is
The length of the latus-rectum of the parabola y2+8x−2y+17=0 is