7^x=-7*x la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Suma y producto de raíces
[src]
/log(7)\
-W|------|
\ 7 /
-----------
log(7)
$$- \frac{W\left(\frac{\log{\left(7 \right)}}{7}\right)}{\log{\left(7 \right)}}$$
/log(7)\
-W|------|
\ 7 /
-----------
log(7)
$$- \frac{W\left(\frac{\log{\left(7 \right)}}{7}\right)}{\log{\left(7 \right)}}$$
/log(7)\
-W|------|
\ 7 /
-----------
log(7)
$$- \frac{W\left(\frac{\log{\left(7 \right)}}{7}\right)}{\log{\left(7 \right)}}$$
/log(7)\
-W|------|
\ 7 /
-----------
log(7)
$$- \frac{W\left(\frac{\log{\left(7 \right)}}{7}\right)}{\log{\left(7 \right)}}$$
-LambertW(log(7)/7)/log(7)
/log(7)\
-W|------|
\ 7 /
x1 = -----------
log(7)
$$x_{1} = - \frac{W\left(\frac{\log{\left(7 \right)}}{7}\right)}{\log{\left(7 \right)}}$$
x1 = -LambertW(log(7)/7)/log(7)