Urči součin komplexních čísel:
\large z_1 = \left( 2-\text{i}\right) ^3
z=Re(z) + Im(z)i
\large z_{1} = 2-7\text{i}
\large z_{1} = 2-9\text{i}
\large z_{1} = 2-11\text{i}
\large z_{1} = 2-13\text{i}