\[\frac{\sqrt{\sqrt{10} - 2} \cdot \sqrt{\sqrt{10} + 2}}{\sqrt{24}} =\]
\[= \frac{\sqrt{\left( \sqrt{10} - 2 \right)\left( \sqrt{10} + 2 \right)}}{\sqrt{24}} =\]
\[= \frac{\sqrt{10 - 4}}{\sqrt{24}} = \frac{\sqrt{6}}{\sqrt{24}} = \sqrt{\frac{6}{24}} =\]
\[= \sqrt{\frac{1}{4}} = \frac{1}{2} = 0,5.\]