Please, is there any relationship between the focal distance of concentric ellipses. I know that f1/a1 = f2/a2 = e, where a1,a2 are the semimajor length, f1, f2 are the focal lengths of the two ellipses. This relation is not useful for my problem, as I only know f1 and a1; and I need to calculate f2.
Concentric Ellipses
- Thread starter Isaac2018
- Start date