Suma y producto de raíces
[src]
/ / ____\\ / / ____\\ / / ____\\ / / ____\\
| |3 I*\/ 23 || | |3 I*\/ 23 || | |3 I*\/ 23 || | |3 I*\/ 23 ||
- 2*re|atan|- - --------|| - 2*I*im|atan|- - --------|| + - 2*re|atan|- + --------|| - 2*I*im|atan|- + --------||
\ \8 8 // \ \8 8 // \ \8 8 // \ \8 8 //
$$\left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)}\right) + \left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)}\right)$$
/ / ____\\ / / ____\\ / / ____\\ / / ____\\
| |3 I*\/ 23 || | |3 I*\/ 23 || | |3 I*\/ 23 || | |3 I*\/ 23 ||
- 2*re|atan|- - --------|| - 2*re|atan|- + --------|| - 2*I*im|atan|- - --------|| - 2*I*im|atan|- + --------||
\ \8 8 // \ \8 8 // \ \8 8 // \ \8 8 //
$$- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)} - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)}$$
/ / / ____\\ / / ____\\\ / / / ____\\ / / ____\\\
| | |3 I*\/ 23 || | |3 I*\/ 23 ||| | | |3 I*\/ 23 || | |3 I*\/ 23 |||
|- 2*re|atan|- - --------|| - 2*I*im|atan|- - --------|||*|- 2*re|atan|- + --------|| - 2*I*im|atan|- + --------|||
\ \ \8 8 // \ \8 8 /// \ \ \8 8 // \ \8 8 ///
$$\left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)}\right) \left(- 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)}\right)$$
/ / / ____\\ / / ____\\\ / / / ____\\ / / ____\\\
| | |3 I*\/ 23 || | |3 I*\/ 23 ||| | | |3 I*\/ 23 || | |3 I*\/ 23 |||
4*|I*im|atan|- - --------|| + re|atan|- - --------|||*|I*im|atan|- + --------|| + re|atan|- + --------|||
\ \ \8 8 // \ \8 8 /// \ \ \8 8 // \ \8 8 ///
$$4 \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)}\right) \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)}\right)$$
4*(i*im(atan(3/8 - i*sqrt(23)/8)) + re(atan(3/8 - i*sqrt(23)/8)))*(i*im(atan(3/8 + i*sqrt(23)/8)) + re(atan(3/8 + i*sqrt(23)/8)))
/ / ____\\ / / ____\\
| |3 I*\/ 23 || | |3 I*\/ 23 ||
x1 = - 2*re|atan|- - --------|| - 2*I*im|atan|- - --------||
\ \8 8 // \ \8 8 //
$$x_{1} = - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} - \frac{\sqrt{23} i}{8} \right)}\right)}$$
/ / ____\\ / / ____\\
| |3 I*\/ 23 || | |3 I*\/ 23 ||
x2 = - 2*re|atan|- + --------|| - 2*I*im|atan|- + --------||
\ \8 8 // \ \8 8 //
$$x_{2} = - 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)} - 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{3}{8} + \frac{\sqrt{23} i}{8} \right)}\right)}$$
x2 = -2*re(atan(3/8 + sqrt(23)*i/8)) - 2*i*im(atan(3/8 + sqrt(23)*i/8))