Applicare la formula: $\left(ab\right)^n$$=a^nb^n$, dove $a=2$, $b=\sqrt{x+1}$ e $n=2$

Applicare la formula: $a^b$$=a^b$, dove $a=2$, $b=2$ e $a^b=2^2$

Applicare la formula: $\left(x^a\right)^b$$=x^{ab}$, dove $a=\frac{1}{2}$, $b=2$, $x^a^b=\left(\sqrt{x+1}\right)^2$, $x=x+1$ e $x^a=\sqrt{x+1}$

Applicare la formula: $\frac{a}{b}c$$=\frac{ca}{b}$, dove $a=1$, $b=2$, $c=2$, $a/b=\frac{1}{2}$ e $ca/b=2\left(\frac{1}{2}\right)$

Applicare la formula: $\frac{a}{b}$$=\frac{a}{b}$, dove $a=2$, $b=2$ e $a/b=\frac{2}{2}$