_______________________ _______________________
4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\
x1 = - \/ (1 - re(t)) + im (t) *cos|------------------------| - I*\/ (1 - re(t)) + im (t) *sin|------------------------|
\ 2 / \ 2 /
$$x_{1} = - i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} - \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}$$
_______________________ _______________________
4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\
x2 = \/ (1 - re(t)) + im (t) *cos|------------------------| + I*\/ (1 - re(t)) + im (t) *sin|------------------------|
\ 2 / \ 2 /
$$x_{2} = i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} + \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}$$
Сумма и произведение корней
[src] _______________________ _______________________ _______________________ _______________________
4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\
- \/ (1 - re(t)) + im (t) *cos|------------------------| - I*\/ (1 - re(t)) + im (t) *sin|------------------------| + \/ (1 - re(t)) + im (t) *cos|------------------------| + I*\/ (1 - re(t)) + im (t) *sin|------------------------|
\ 2 / \ 2 / \ 2 / \ 2 /
$$\left(- i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} - \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}\right) + \left(i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} + \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}\right)$$
/ _______________________ _______________________ \ / _______________________ _______________________ \
| 4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\| |4 / 2 2 /atan2(-im(t), 1 - re(t))\ 4 / 2 2 /atan2(-im(t), 1 - re(t))\|
|- \/ (1 - re(t)) + im (t) *cos|------------------------| - I*\/ (1 - re(t)) + im (t) *sin|------------------------||*|\/ (1 - re(t)) + im (t) *cos|------------------------| + I*\/ (1 - re(t)) + im (t) *sin|------------------------||
\ \ 2 / \ 2 // \ \ 2 / \ 2 //
$$\left(- i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} - \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}\right) \left(i \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \sin{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)} + \sqrt[4]{\left(1 - \operatorname{re}{\left(t\right)}\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} \cos{\left(\frac{\operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}{2} \right)}\right)$$
________________________
/ 2 2 I*atan2(-im(t), 1 - re(t))
-\/ (-1 + re(t)) + im (t) *e
$$- \sqrt{\left(\operatorname{re}{\left(t\right)} - 1\right)^{2} + \left(\operatorname{im}{\left(t\right)}\right)^{2}} e^{i \operatorname{atan_{2}}{\left(- \operatorname{im}{\left(t\right)},1 - \operatorname{re}{\left(t\right)} \right)}}$$