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<a NAME="E1:51_1_1"/>
 <a href="algseq_1.html#K3">len</a> <span class="p1">(<span class="default"><a href="uniroots.html#K4" target="_self">unital_poly</a> <font color="Maroon">L</font>,<font color="Maroon">n</font></span>)</span> <a href="hidden.html#R1">=</a> <font color="Maroon">n</font> <a href="binop_2.html#K23">+</a> 1
 
<b>by </b><i><a class="ref" href="uniroots.html#T2" target="_self">Th2</a></i>;<br/>
<a NAME="E2:51_1_1"/><b>then </b>
 <a href="algseq_1.html#K3">len</a> <span class="p1">(<span class="default"><a href="uniroots.html#K4" target="_self">unital_poly</a> <font color="Maroon">L</font>,<font color="Maroon">n</font></span>)</span> <a href="xxreal_0.html#NR4" target="_self">&gt;</a> 0
 
;<br/>
<b>hence </b><a NAME="E3:51_1_1"/>
 <a href="uniroots.html#K4" target="_self">unital_poly</a> <font color="Maroon">L</font>,<font color="Maroon">n</font> is <a href="uproots.html#V1">non-zero</a>
 <b>by </b><i><a class="ref" href="uproots.html#T19">UPROOTS:19</a></i>;<br/>


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