oefficient </p>

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<h2 class="memtitle"><span class="permalink"><a href="#a061e2402d528312fc6095db6551c9141">&#9670;&#160;</a></span>getA2()</h2>

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          <td class="memname">double Iir::Biquad::getA2 </td>
          <td>(</td>
          <td class="paramname"></t