Разложение на множители
[src] / / ___________\\ / / ___________\\ / / ___________\\ / / ___________\\
| | / ___ || | | / ___ || | | / ___ || | | / ___ ||
| | / 5 \/ 5 || | | / 5 \/ 5 || | | / 5 \/ 5 || | | / 5 \/ 5 ||
| | ___ I* / - + ----- || | | ___ I* / - + ----- || | | ___ I* / - - ----- || | | ___ I* / - - ----- ||
/ b\ | | 1 \/ 5 \/ 8 8 || | | 1 \/ 5 \/ 8 8 || | | 1 \/ 5 \/ 8 8 || | | 1 \/ 5 \/ 8 8 ||
|a - -|*|a - b*|- - + ----- - ------------------||*|a - b*|- - + ----- + ------------------||*|a - b*|- - - ----- - ------------------||*|a - b*|- - - ----- + ------------------||
\ 2/ \ \ 8 8 2 // \ \ 8 8 2 // \ \ 8 8 2 // \ \ 8 8 2 //$$\left(a - \frac{b}{2}\right) \left(a - b \left(- \frac{1}{8} + \frac{\sqrt{5}}{8} - \frac{i \sqrt{\frac{\sqrt{5}}{8} + \frac{5}{8}}}{2}\right)\right) \left(a - b \left(- \frac{1}{8} + \frac{\sqrt{5}}{8} + \frac{i \sqrt{\frac{\sqrt{5}}{8} + \frac{5}{8}}}{2}\right)\right) \left(a - b \left(- \frac{\sqrt{5}}{8} - \frac{1}{8} - \frac{i \sqrt{\frac{5}{8} - \frac{\sqrt{5}}{8}}}{2}\right)\right) \left(a - b \left(- \frac{\sqrt{5}}{8} - \frac{1}{8} + \frac{i \sqrt{\frac{5}{8} - \frac{\sqrt{5}}{8}}}{2}\right)\right)$$