16 Feb
2007
16 Feb
'07
9:19 p.m.
What about the locus of points such that d(A)+kd(B) is constant, where k is a real number and A,B are the focii. Wouldn't that make an oval? Steve Gray Fred lunnon wrote:
On 2/16/07, David W. Cantrell <DWCantrell@sigmaxi.net> wrote:
Hmm. Maybe not. :-( Anyway, the figure at <http://img255.imageshack.us/img255/498/eggconstructzn0.gif> should make the construction abundantly clear. I suspect that that beautiful egg shape was used a good bit during the Middle Ages (perhaps in architecture?) but have no supporting evidence.