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

 
Tipo de Material
Atividade
Palavras-chaves
2015  complex  complex-numbers  mat  numbers 
Grupo alvo (idade)
3 – 19+
Idioma
English
 
 
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5.0
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