9000069902
Časť:
A
Vyriešte danú kvadratickú rovnicu v množine komplexných čísel.
\[
3x^{2} + 2x + 2 = 0
\]
\(x_{1} = -\frac{1}
{3} + \frac{\sqrt{5}}
{3} \mathrm{i}\),
\(x_{2} = -\frac{1}
{3} -\frac{\sqrt{5}}
{3} \mathrm{i}\)
\(x_{1} = -\frac{1}
{3}\)
\(x_{1} = \frac{1}
{3} + \frac{\sqrt{5}}
{3} \),
\(x_{2} = \frac{1}
{3} + \frac{\sqrt{5}}
{3} \)
\(x_{1} = \frac{1}
{3} + \frac{\sqrt{5}}
{3} \mathrm{i}\),
\(x_{2} = \frac{1}
{3} -\frac{\sqrt{5}}
{3} \mathrm{i}\)