- $ z = \\\frac{1}{5} + \\\frac{7}{5}i$.
- $ z = \\\frac{1}{{10}} + \\\frac{7}{{10}}i$.
- $ z = - \\\frac{1}{{10}} + \\\frac{7}{{10}}i$.
- $ z = \\\frac{1}{5} - \\\frac{7}{5}i$.