CAS Example: Proof of the Midpoint-Tangent for a Cubic

Proof that, for a cubic with 3 roots, the tangent from between 2 of the roots will always pass through the third root.
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Michael Borcherds —

 
Resource Type
Activity
Tags
cas  cubic  exploration  midpoint  proof  tangent  tangent-line 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
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5988
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CC-BY-SA, GeoGebra Terms of Use
 

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