 <span class="special">*</span> <span class="identifier">p</span><span class="special">)</span> <span class="special">/</span>
                    <span class="identifier">r</span> <span class="special">*</span>
                    <span class="special">(</span><span class="number">1</span>
                    <span class="special">-</span> <span class="identifier">p</span>
                    <span class="special">)</span></code>
                  </p>
                </td>
</tr>
<tr>
<td>
                