Sr Examen

log7(5-x)>log7(x-1) desigualdades

En la desigualdad la incógnita

Solución

Ha introducido [src]
log(5 - x)   log(x - 1)
---------- > ----------
  log(7)       log(7)  
$$\frac{\log{\left(5 - x \right)}}{\log{\left(7 \right)}} > \frac{\log{\left(x - 1 \right)}}{\log{\left(7 \right)}}$$
log(5 - x)/log(7) > log(x - 1)/log(7)