The latus rectum of parabola y2=5x+4y+1 is
y2−4y+4=5x+5⇒(y−2)2=5(x+1)
Obviously, latus rectum is 5.
Latus rectum of the parabola y2−4y−2x−8=0 is
If the parabola y2=4ax passes through (-3,2), then length of its latus rectum is