/ / ___\\ / / ___\\
| |1 I*\/ 7 || | |1 I*\/ 7 ||
z1 = 2*re|atan|- - -------|| + 2*I*im|atan|- - -------||
\ \2 2 // \ \2 2 //
$$z_{1} = 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)}$$
/ / ___\\ / / ___\\
| |1 I*\/ 7 || | |1 I*\/ 7 ||
z2 = 2*re|atan|- + -------|| + 2*I*im|atan|- + -------||
\ \2 2 // \ \2 2 //
$$z_{2} = 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)}$$
z2 = 2*re(atan(1/2 + sqrt(7)*i/2)) + 2*i*im(atan(1/2 + sqrt(7)*i/2))
Suma y producto de raíces
[src]
/ / ___\\ / / ___\\ / / ___\\ / / ___\\
| |1 I*\/ 7 || | |1 I*\/ 7 || | |1 I*\/ 7 || | |1 I*\/ 7 ||
2*re|atan|- - -------|| + 2*I*im|atan|- - -------|| + 2*re|atan|- + -------|| + 2*I*im|atan|- + -------||
\ \2 2 // \ \2 2 // \ \2 2 // \ \2 2 //
$$\left(2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)}\right) + \left(2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)}\right)$$
/ / ___\\ / / ___\\ / / ___\\ / / ___\\
| |1 I*\/ 7 || | |1 I*\/ 7 || | |1 I*\/ 7 || | |1 I*\/ 7 ||
2*re|atan|- + -------|| + 2*re|atan|- - -------|| + 2*I*im|atan|- + -------|| + 2*I*im|atan|- - -------||
\ \2 2 // \ \2 2 // \ \2 2 // \ \2 2 //
$$2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)} + 2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)}$$
/ / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\
| | |1 I*\/ 7 || | |1 I*\/ 7 ||| | | |1 I*\/ 7 || | |1 I*\/ 7 |||
|2*re|atan|- - -------|| + 2*I*im|atan|- - -------|||*|2*re|atan|- + -------|| + 2*I*im|atan|- + -------|||
\ \ \2 2 // \ \2 2 /// \ \ \2 2 // \ \2 2 ///
$$\left(2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)}\right) \left(2 \operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)} + 2 i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)}\right)$$
/ / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\
| | |1 I*\/ 7 || | |1 I*\/ 7 ||| | | |1 I*\/ 7 || | |1 I*\/ 7 |||
4*|I*im|atan|- + -------|| + re|atan|- + -------|||*|I*im|atan|- - -------|| + re|atan|- - -------|||
\ \ \2 2 // \ \2 2 /// \ \ \2 2 // \ \2 2 ///
$$4 \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} - \frac{\sqrt{7} i}{2} \right)}\right)}\right) \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{1}{2} + \frac{\sqrt{7} i}{2} \right)}\right)}\right)$$
4*(i*im(atan(1/2 + i*sqrt(7)/2)) + re(atan(1/2 + i*sqrt(7)/2)))*(i*im(atan(1/2 - i*sqrt(7)/2)) + re(atan(1/2 - i*sqrt(7)/2)))