0 \\ log_{2}(x) = - \sqrt{5} \\ log_{2}(x) = \sqrt{5} \\ \\ x = \frac{1}{ {2}^{ \sqrt{5 } } } \\ x = {2}^{ \sqrt{5} } " alt="5 > 0 \\ log_{2}(x) = - \sqrt{5} \\ log_{2}(x) = \sqrt{5} \\ \\ x = \frac{1}{ {2}^{ \sqrt{5 } } } \\ x = {2}^{ \sqrt{5} } " align="absmiddle" class="latex-formula">