< Kubische Gleichung < Lösung < Überprüfe
Zeige, dass
![{\displaystyle {}z={\sqrt[{3}]{-1+{\sqrt {2}}}}+{\sqrt[{3}]{-1-{\sqrt {2}}}}\,}](../../../../I/0a39d977536d0c3a9667948a3622f46787086352.svg)
eine Nullstelle des Polynoms
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