$\displaystyle - \frac{8}{5}$\displaystyle - \frac{8}{5}

$\displaystyle - \frac{4\sqrt{2}}{3}$\displaystyle - \frac{4\sqrt{2}}{3}

$\displaystyle - \frac{4\sqrt{2}}5{}$\displaystyle - \frac{4\sqrt{2}}5{}

$\displaystyle - \frac{4}{3}$\displaystyle - \frac{4}{3}