The  eccentricity  of an  ellipse  with  centre  at  the  orgin  and  axes  along  the  coordinate
Channel: Doubtnut
Date: 2020-05-24

The  eccentricity  of an  ellipse  with  centre  at  the  orgin  and  axes  along  the  coordinate  axes , is  1/2 if  one  of the  directrices  is x=4,  the  equation  of the  ellipse  is