If e1 and e2 are respectively theeccentricities of the ellipse x218+y2 – InterviewSolution

1.	If e1 and e2 are respectively theeccentricities of the ellipse x218+y24=1and the hyperbola x29−y24=1,then therelation between e1 and e2 is
Answer» $I f e_{1} a n d e_{2} a r e r e s p e c t i v e l y t h e e c c e n t r i c i t i e s o f t h e e l l i p s e \frac{x^{2}}{18} + \frac{y^{2}}{4} = 1 a n d t h e h y p e r b o l a \frac{x^{2}}{9} - \frac{y^{2}}{4} = 1, t h e n t h e r e l a t i o n b e t w e e n e_{1} a n d e_{2} i s$

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