10979RE: [EMHL] circumcevian reflections
- Jan 6, 2005Dear Bernard,
> > [FvL] The locus of the perspector for P on the Jerabek hyperbola is a[BG]
> > quartic, the
> > isogonal conjugate of the conic
> > SUM b^4c^4SA(b^2-c^2)^4x^2 + a^6b^2c^2(c^2-a^2)^2(a^2-b^2)^2yz = 0
> > cyclic
> it seems that your conic decomposes into two secant lines at X110,This is caused by a typo. The conic should be
> passing through X112 and X351.
> please do check this
SUM b^4c^4SA(b^2-c^2)^4x^2 - a^6b^2c^2(c^2-a^2)^2(a^2-b^2)^2yz = 0
So with - in stead of +. My apologies.
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