DEFINE ELLIPSE AND DERIVE ITS EQUATION

[@PremNM-w8r]

King👑👑of mathematics
Very good teacher seen in my life

[@PremNM-w8r]

BR sir OP ❤

[@UpalChatterji]

Balaji Sir , there are two definitions of ellipse -1) as in this video ie locus of sum of distance from two fixed points and 2) fixed ratio (e) between focus and directrix. Both are apparently same. Which one should one follow? Kindly clarify pls

[@mymathsclass2514]

Good effort

[@BRMATHSCLASS]

Thank you