GERMAN | A Nice Olympiads Trick | No Calculated Allowed
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- Опубликовано: 12 сен 2024
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K^3=3^3 K=3 K=-1.5 ±1.5Sqrt[3]i=(3 ± 3Sqrt[3]i)/2 It’s in my head.
27 3^3 ( x ➖ 3x+3).
Much too complicated, simply take the three complex third roots.