February 6th, 2019, 01:31 AM  #1 
Member Joined: Nov 2012 Posts: 80 Thanks: 1  Eccentricity
Could anyone tell me why the distance to directrix is equal to a/e, where e is the eccentricity?


Tags 
eccentricity 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Eccentricity of a conic section  wuzhe  Algebra  1  March 19th, 2012 02:14 PM 
Ellipse question (eccentricity e.t.c)  pre exam  master555  Algebra  4  January 13th, 2012 08:29 AM 
Find the center, vertices, foci and eccentricity  rowdy3  Calculus  2  May 5th, 2010 07:29 PM 
Ellipse question (eccentricity e.t.c)  pre exam  master555  Applied Math  0  December 31st, 1969 04:00 PM 