Разложение на множители
[src]/ _______________\ / _______________\ / _______________\ / _______________\ / _____________\ / _____________\ / _____________\ / _____________\
| / ___ | | / ___ | | / ___ | | / ___ | | / ___ | | / ___ | | / ___ | | / ___ |
| / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 | | / 1 I*\/ 7 |
|a + b* / - - - ------- |*|a - b* / - - - ------- |*|a + b* / - - + ------- |*|a - b* / - - + ------- |*|a + b* / - - ------- |*|a - b* / - - ------- |*|a + b* / - + ------- |*|a - b* / - + ------- |
\ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 / \ \/ 4 4 /
$$\left(a - b \sqrt{- \frac{1}{4} - \frac{\sqrt{7} i}{4}}\right) \left(a + b \sqrt{- \frac{1}{4} - \frac{\sqrt{7} i}{4}}\right) \left(a + b \sqrt{- \frac{1}{4} + \frac{\sqrt{7} i}{4}}\right) \left(a - b \sqrt{- \frac{1}{4} + \frac{\sqrt{7} i}{4}}\right) \left(a + b \sqrt{\frac{1}{4} - \frac{\sqrt{7} i}{4}}\right) \left(a - b \sqrt{\frac{1}{4} - \frac{\sqrt{7} i}{4}}\right) \left(a + b \sqrt{\frac{1}{4} + \frac{\sqrt{7} i}{4}}\right) \left(a - b \sqrt{\frac{1}{4} + \frac{\sqrt{7} i}{4}}\right)$$