log(z)=log(20^(1/2))+(-atan((2)+2*pi*m))*i la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Solución detallada
Tenemos la ecuación
$$\log{\left(z \right)} = i \left(- \operatorname{atan}{\left(2 \pi m + 2 \right)}\right) + \log{\left(\sqrt{20} \right)}$$
$$\log{\left(z \right)} = - i \operatorname{atan}{\left(2 \pi m + 2 \right)} + \log{\left(2 \sqrt{5} \right)}$$
Es la ecuación de la forma:
log(v)=p
Por definición log
v=e^p
entonces
$$z = e^{\frac{- i \operatorname{atan}{\left(2 \pi m + 2 \right)} + \log{\left(2 \sqrt{5} \right)}}{1}}$$
simplificamos
$$z = 2 \sqrt{5} e^{- i \operatorname{atan}{\left(2 \pi m + 2 \right)}}$$
___ im(atan(2 + 2*pi*m)) ___ im(atan(2 + 2*pi*m))
z1 = 2*\/ 5 *cos(re(atan(2 + 2*pi*m)))*e - 2*I*\/ 5 *e *sin(re(atan(2 + 2*pi*m)))
$$z_{1} = - 2 \sqrt{5} i e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \sin{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)} + 2 \sqrt{5} e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \cos{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)}$$
z1 = -2*sqrt(5)*i*exp(im(atan(2*pi*m + 2)))*sin(re(atan(2*pi*m + 2))) + 2*sqrt(5)*exp(im(atan(2*pi*m + 2)))*cos(re(atan(2*pi*m + 2)))
Suma y producto de raíces
[src]
___ im(atan(2 + 2*pi*m)) ___ im(atan(2 + 2*pi*m))
2*\/ 5 *cos(re(atan(2 + 2*pi*m)))*e - 2*I*\/ 5 *e *sin(re(atan(2 + 2*pi*m)))
$$- 2 \sqrt{5} i e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \sin{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)} + 2 \sqrt{5} e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \cos{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)}$$
___ im(atan(2 + 2*pi*m)) ___ im(atan(2 + 2*pi*m))
2*\/ 5 *cos(re(atan(2 + 2*pi*m)))*e - 2*I*\/ 5 *e *sin(re(atan(2 + 2*pi*m)))
$$- 2 \sqrt{5} i e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \sin{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)} + 2 \sqrt{5} e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \cos{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)}$$
___ im(atan(2 + 2*pi*m)) ___ im(atan(2 + 2*pi*m))
2*\/ 5 *cos(re(atan(2 + 2*pi*m)))*e - 2*I*\/ 5 *e *sin(re(atan(2 + 2*pi*m)))
$$- 2 \sqrt{5} i e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \sin{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)} + 2 \sqrt{5} e^{\operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}} \cos{\left(\operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} \right)}$$
___ -I*re(atan(2 + 2*pi*m)) + im(atan(2 + 2*pi*m))
2*\/ 5 *e
$$2 \sqrt{5} e^{- i \operatorname{re}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)} + \operatorname{im}{\left(\operatorname{atan}{\left(2 \pi m + 2 \right)}\right)}}$$
2*sqrt(5)*exp(-i*re(atan(2 + 2*pi*m)) + im(atan(2 + 2*pi*m)))