Friendly Cubics

How does the sketch below explain why any equation of the form [math]x^3=bx+c[/math] must have at least one real solution? Would this mean [i]any[/i] cubic will have a real solution?

 

Steve Phelps

 
Vrsta materijala
Aktivnost
Oznake
2015  complex  complex-numbers  mat  numbers 
Ciljana skupina (godine)
3 – 19+
Jezik
English
 
 
Verzija GeoGebre
5.0
Pregleda
4709
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