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Solis pēc kārtas
- x^{3} - 2 = 0
Start from the equation as given.
- x^{3} - 2 = 0
The polynomial has degree 3 and no rational factors; the roots come from the general solution.
- x = \sqrt[3]{2} \approx 1.2599 ,\; x = - \frac{\sqrt[3]{2}}{2} - \frac{\sqrt[3]{2} \sqrt{3} i}{2} ,\; x = - \frac{\sqrt[3]{2}}{2} + \frac{\sqrt[3]{2} \sqrt{3} i}{2}
All 3 roots.
- x \approx 1.25992012 ,\; x \approx -0.62996006 - 1.09112358 i ,\; x \approx -0.62996006 + 1.09112358 i
The exact forms are unwieldy (Cardano-style radicals); here they are numerically.
Atbildēt uz šo jautājumu
x \approx 1.25992012 ,\; x \approx -0.62996006 - 1.09112358 i ,\; x \approx -0.62996006 + 1.09112358 i