Applicare la formula: $\frac{x}{1}$$=x$, dove $x=\log \left(x\right)$

Applicare la formula: $\log_{a}\left(x\right)$$=\frac{\ln\left(x\right)}{\ln\left(a\right)}$, dove $a=10$

Applicare la formula: $\lim_{x\to c}\left(\frac{a}{b}\right)$$=\frac{1}{b}\lim_{x\to c}\left(a\right)$, dove $a=\ln\left(x\right)$, $b=\ln\left(10\right)$ e $c=0$

Applicare la formula: $\lim_{x\to0}\left(\ln\left(x\right)\right)$$=- \infty $, dove $x->0=x\to0$

Applicare la formula: $\infty x$$=\infty sign\left(x\right)$, dove $x=\frac{1}{\ln\left(10\right)}$