Разложение на множители
[src] / 7 ____ /pi\ 7 ____ /pi\\ / 7 ____ 2/pi\ 7 ____ 2/pi\\ / 7 ____ 2/pi\ 7 ____ 2/pi\ 7 ____ /pi\ /pi\\ / 7 ____ /pi\ /2*pi\ 7 ____ /pi\ /2*pi\ 7 ____ /pi\ /2*pi\ 7 ____ /2*pi\ /pi\\ / 7 ____ /pi\ /2*pi\ 7 ____ /pi\ /2*pi\ 7 ____ /2*pi\ /pi\ 7 ____ /pi\ /2*pi\\ / 7 ____ /pi\ /3*pi\ 7 ____ /pi\ /3*pi\ 7 ____ /pi\ /3*pi\ 7 ____ /3*pi\ /pi\\ / 7 ____ /pi\ /3*pi\ 7 ____ /pi\ /3*pi\ 7 ____ /pi\ /3*pi\ 7 ____ /3*pi\ /pi\\
a*|a + - \/ 11 *cos|--| - I*\/ 11 *sin|--||*|a + \/ 11 *cos |--| + \/ 11 *sin |--||*|a + - \/ 11 *sin |--| + \/ 11 *cos |--| + 2*I*\/ 11 *cos|--|*sin|--||*|a + - \/ 11 *cos|--|*cos|----| + \/ 11 *sin|--|*sin|----| - I*\/ 11 *cos|--|*sin|----| - I*\/ 11 *cos|----|*sin|--||*|a + - \/ 11 *cos|--|*cos|----| - \/ 11 *sin|--|*sin|----| - I*\/ 11 *cos|----|*sin|--| + I*\/ 11 *cos|--|*sin|----||*|a + \/ 11 *cos|--|*cos|----| + \/ 11 *sin|--|*sin|----| - I*\/ 11 *cos|--|*sin|----| + I*\/ 11 *cos|----|*sin|--||*|a + - \/ 11 *sin|--|*sin|----| + \/ 11 *cos|--|*cos|----| + I*\/ 11 *cos|--|*sin|----| + I*\/ 11 *cos|----|*sin|--||
\ \7 / \7 // \ \7 / \7 // \ \7 / \7 / \7 / \7 // \ \7 / \ 7 / \7 / \ 7 / \7 / \ 7 / \ 7 / \7 // \ \7 / \ 7 / \7 / \ 7 / \ 7 / \7 / \7 / \ 7 // \ \7 / \ 7 / \7 / \ 7 / \7 / \ 7 / \ 7 / \7 // \ \7 / \ 7 / \7 / \ 7 / \7 / \ 7 / \ 7 / \7 //
$$a \left(a + \left(- \sqrt[7]{11} \cos{\left(\frac{\pi}{7} \right)} - \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)}\right)\right) \left(a + \left(\sqrt[7]{11} \sin^{2}{\left(\frac{\pi}{7} \right)} + \sqrt[7]{11} \cos^{2}{\left(\frac{\pi}{7} \right)}\right)\right) \left(a + \left(- \sqrt[7]{11} \sin^{2}{\left(\frac{\pi}{7} \right)} + \sqrt[7]{11} \cos^{2}{\left(\frac{\pi}{7} \right)} + 2 \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{\pi}{7} \right)}\right)\right) \left(a + \left(- \sqrt[7]{11} \cos{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{2 \pi}{7} \right)} + \sqrt[7]{11} \sin{\left(\frac{\pi}{7} \right)} \sin{\left(\frac{2 \pi}{7} \right)} - \sqrt[7]{11} i \sin{\left(\frac{2 \pi}{7} \right)} \cos{\left(\frac{\pi}{7} \right)} - \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{2 \pi}{7} \right)}\right)\right) \left(a + \left(- \sqrt[7]{11} \cos{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{2 \pi}{7} \right)} - \sqrt[7]{11} \sin{\left(\frac{\pi}{7} \right)} \sin{\left(\frac{2 \pi}{7} \right)} - \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{2 \pi}{7} \right)} + \sqrt[7]{11} i \sin{\left(\frac{2 \pi}{7} \right)} \cos{\left(\frac{\pi}{7} \right)}\right)\right) \left(a + \left(\sqrt[7]{11} \cos{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{3 \pi}{7} \right)} + \sqrt[7]{11} \sin{\left(\frac{\pi}{7} \right)} \sin{\left(\frac{3 \pi}{7} \right)} - \sqrt[7]{11} i \sin{\left(\frac{3 \pi}{7} \right)} \cos{\left(\frac{\pi}{7} \right)} + \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{3 \pi}{7} \right)}\right)\right) \left(a + \left(- \sqrt[7]{11} \sin{\left(\frac{\pi}{7} \right)} \sin{\left(\frac{3 \pi}{7} \right)} + \sqrt[7]{11} \cos{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{3 \pi}{7} \right)} + \sqrt[7]{11} i \sin{\left(\frac{\pi}{7} \right)} \cos{\left(\frac{3 \pi}{7} \right)} + \sqrt[7]{11} i \sin{\left(\frac{3 \pi}{7} \right)} \cos{\left(\frac{\pi}{7} \right)}\right)\right)$$
