ln(x)=(x^3)/3 la ecuación
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Solución
Suma y producto de raíces
[src]
-re(W(-1)) -re(W(-1))
----------- -----------
/im(W(-1))\ 3 3 /im(W(-1))\
cos|---------|*e - I*e *sin|---------|
\ 3 / \ 3 /
$$e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \cos{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)} - i e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \sin{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)}$$
-re(W(-1)) -re(W(-1))
----------- -----------
/im(W(-1))\ 3 3 /im(W(-1))\
cos|---------|*e - I*e *sin|---------|
\ 3 / \ 3 /
$$e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \cos{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)} - i e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \sin{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)}$$
-re(W(-1)) -re(W(-1))
----------- -----------
/im(W(-1))\ 3 3 /im(W(-1))\
cos|---------|*e - I*e *sin|---------|
\ 3 / \ 3 /
$$e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \cos{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)} - i e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \sin{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)}$$
re(W(-1)) I*im(W(-1))
- --------- - -----------
3 3
e
$$e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3} - \frac{i \operatorname{im}{\left(W\left(-1\right)\right)}}{3}}$$
exp(-re(LambertW(-1))/3 - i*im(LambertW(-1))/3)
-re(W(-1)) -re(W(-1))
----------- -----------
/im(W(-1))\ 3 3 /im(W(-1))\
x1 = cos|---------|*e - I*e *sin|---------|
\ 3 / \ 3 /
$$x_{1} = e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \cos{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)} - i e^{- \frac{\operatorname{re}{\left(W\left(-1\right)\right)}}{3}} \sin{\left(\frac{\operatorname{im}{\left(W\left(-1\right)\right)}}{3} \right)}$$
x1 = exp(-re(LambertW(-1))/3)*cos(im(LambertW(-1))/3) - i*exp(-re(LambertW(-1))/3)*sin(im(LambertW(-1))/3)
x1 = -1.62760640280161 + 1.14253581981976*i
x2 = 1.00322931747641 + 0.479361241277222*i
x3 = 1.00322931747641 + 0.479361241277222*i
x4 = 1.00322931747641 + 0.479361241277222*i
x4 = 1.00322931747641 + 0.479361241277222*i