The end points of latus rectum of theparabola x2=4ay are
(a,−2a),(2a,a)
(−a,2a),(2a,a)
(a,2a),(2a,−a)
(−2a,a),(2a,a)
It is a fundamental concept. The end points of latus rectum of the parabola x2=4ay are (−2a,a),(2a,a).