$\displaystyle \frac{1}{\log_34}$\displaystyle \frac{1}{\log_34}

$\log_34$\log_34

$\displaystyle \frac{1}{\log_3\sqrt{2}}$\displaystyle \frac{1}{\log_3\sqrt{2}}

$\log_3\sqrt{2}$\log_3\sqrt{2}