9000064504
Část:
B
Kvadratická rovnice \(ax^{2} + bx + c = 0\) s
komplexními kořeny \(x_{1, 2} = 1\pm \frac{\mathrm{i}}
{2}\)
má koeficienty:
\(a = 4\text{, }b = -8\text{, }c = 5\)
\(a = 1\text{, }b = -4\text{, }c = 5\)
\(a = 4\text{, }b = 8\text{, }c = 5\)
\(a = 1\text{, }b = 4\text{, }c = 5\)