Suma y producto de raíces
[src]
/ / _____\\ / / _____\\ / / _____\\ / / _____\\
| |5 I*\/ 115 || | |5 I*\/ 115 || | |5 I*\/ 115 || | |5 I*\/ 115 ||
- 2*re|atan|-- - ---------|| - 2*I*im|atan|-- - ---------|| + - 2*re|atan|-- + ---------|| - 2*I*im|atan|-- + ---------||
\ \14 14 // \ \14 14 // \ \14 14 // \ \14 14 //
$$\left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)}\right) + \left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)}\right)$$
/ / _____\\ / / _____\\ / / _____\\ / / _____\\
| |5 I*\/ 115 || | |5 I*\/ 115 || | |5 I*\/ 115 || | |5 I*\/ 115 ||
- 2*re|atan|-- - ---------|| - 2*re|atan|-- + ---------|| - 2*I*im|atan|-- - ---------|| - 2*I*im|atan|-- + ---------||
\ \14 14 // \ \14 14 // \ \14 14 // \ \14 14 //
$$- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)} - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)}$$
/ / / _____\\ / / _____\\\ / / / _____\\ / / _____\\\
| | |5 I*\/ 115 || | |5 I*\/ 115 ||| | | |5 I*\/ 115 || | |5 I*\/ 115 |||
|- 2*re|atan|-- - ---------|| - 2*I*im|atan|-- - ---------|||*|- 2*re|atan|-- + ---------|| - 2*I*im|atan|-- + ---------|||
\ \ \14 14 // \ \14 14 /// \ \ \14 14 // \ \14 14 ///
$$\left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)}\right) \left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)}\right)$$
/ / / _____\\ / / _____\\\ / / / _____\\ / / _____\\\
| | |5 I*\/ 115 || | |5 I*\/ 115 ||| | | |5 I*\/ 115 || | |5 I*\/ 115 |||
4*|I*im|atan|-- - ---------|| + re|atan|-- - ---------|||*|I*im|atan|-- + ---------|| + re|atan|-- + ---------|||
\ \ \14 14 // \ \14 14 /// \ \ \14 14 // \ \14 14 ///
$$4 \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)}\right) \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)}\right)$$
4*(i*im(atan(5/14 - i*sqrt(115)/14)) + re(atan(5/14 - i*sqrt(115)/14)))*(i*im(atan(5/14 + i*sqrt(115)/14)) + re(atan(5/14 + i*sqrt(115)/14)))
/ / _____\\ / / _____\\
| |5 I*\/ 115 || | |5 I*\/ 115 ||
x1 = - 2*re|atan|-- - ---------|| - 2*I*im|atan|-- - ---------||
\ \14 14 // \ \14 14 //
$$x_{1} = - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} - \frac{\sqrt{115} i}{14} \right)}\right)}$$
/ / _____\\ / / _____\\
| |5 I*\/ 115 || | |5 I*\/ 115 ||
x2 = - 2*re|atan|-- + ---------|| - 2*I*im|atan|-- + ---------||
\ \14 14 // \ \14 14 //
$$x_{2} = - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{5}{14} + \frac{\sqrt{115} i}{14} \right)}\right)}$$
x2 = -2*re(atan(5/14 + sqrt(115)*i/14)) - 2*i*im(atan(5/14 + sqrt(115)*i/14))