\[\boxed{\mathbf{322.ОК\ ГДЗ - домашка\ на}\ 5}\]
\[Дано:\]
\[AB = a \bullet CD;\ \]
\[CD = b \bullet AB.\]
\[Найти:\]
\[как\ связаны\ \text{a\ }и\ \text{b.}\]
\[Решение:\]
\[1)\ AB = a \bullet CD \Longrightarrow a = \frac{\text{AB}}{\text{CD}}.\]
\[2)\ CD = b \bullet AB \Longrightarrow \ b = \frac{\text{CD}}{\text{AB}}.\]
\[3)\ a = \frac{\text{AB}}{b \bullet AB} \Longrightarrow a = \frac{1}{b}.\]
\[Ответ:значения\ \text{a\ }и\ \text{b\ }обратно\ \]
\[пропорциональны\text{.\ }\]