Center of six Thebault circle lie on a conic
- Author:
- Đào Thanh Oai
Let three cevian lines AP,BP,CP , let six Thebault's circle respect to these lines
1. Show that center of the Thebault circles lie on a conic
2. The Thebault circles tangent three sidelines at six points then show that six point lie on a conic.
the conic is a circle if P at X4