Orthic 

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The orthic triangle is equilateral...!? 

 

 

 

• Orthic 

 

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H’’:=Elim([x[1],x[2],x[3],x[4],z,u[2],u[3]],Saturation(HH+H’,T)); H’’;  

Ideal(1) 

HH+H' 

 

 

 

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