$$\frac{\left |AF \right |}{\left |AB \right |}.\frac{\left |BC \right |}{\left |CD \right |}.\frac{\left |DE \right |}{\left |EF \right |}=1$$
$$ \frac{\left |DC \right |}{\left |DB \right |}.\frac{\left |BF \right |}{\left |FA \right |}.\frac{\left |AE \right |}{\left |EC \right |}=1$$
olduğunu gösteriniz.