/ / ___ ___\\ / / ___ ___\\ / / ___ ___\\ / / ___ ___\\
| | \/ 2 I*\/ 2 || | | \/ 2 I*\/ 2 || | |\/ 2 I*\/ 2 || | |\/ 2 I*\/ 2 ||
|a - b*|- ----- - -------||*|a - b*|- ----- + -------||*|a - b*|----- - -------||*|a - b*|----- + -------||
\ \ 2 2 // \ \ 2 2 // \ \ 2 2 // \ \ 2 2 //
$$\left(a - b \left(- \frac{\sqrt{2}}{2} - \frac{\sqrt{2} i}{2}\right)\right) \left(a - b \left(- \frac{\sqrt{2}}{2} + \frac{\sqrt{2} i}{2}\right)\right) \left(a - b \left(\frac{\sqrt{2}}{2} - \frac{\sqrt{2} i}{2}\right)\right) \left(a - b \left(\frac{\sqrt{2}}{2} + \frac{\sqrt{2} i}{2}\right)\right)$$
(((a - b*(-sqrt(2)/2 - i*sqrt(2)/2))*(a - b*(-sqrt(2)/2 + i*sqrt(2)/2)))*(a - b*(sqrt(2)/2 - i*sqrt(2)/2)))*(a - b*(sqrt(2)/2 + i*sqrt(2)/2))