Applicare la formula: $\log_{b}\left(\frac{x}{y}\right)$$=\log_{b}\left(x\right)-\log_{b}\left(y\right)$, dove $b=d$, $x=\sqrt{x}y^7$ e $y=z^3$

Applicare la formula: $\log_{b}\left(mn\right)$$=\log_{b}\left(m\right)+\log_{b}\left(n\right)$, dove $mn=\sqrt{x}y^7$, $b=d$, $b,mn=d,\sqrt{x}y^7$, $m=\sqrt{x}$ e $n=y^7$

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

Applicare la formula: $\log_{b}\left(x^a\right)$$=a\log_{b}\left(x\right)$, dove $a=7$, $b=d$ e $x=y$

Applicare la formula: $\log_{b}\left(x^a\right)$$=a\log_{b}\left(x\right)$, dove $a=3$, $b=d$ e $x=z$