"o">*</span> <span class="n">nu</span><span class="o">**</span><span class="mi">3</span> <span class="o">/</span> <span class="n">cu</span><span class="o">.</span><span class="n">c</span><span class="o">**</span><span class="mi">2</span> <span class="o">/</span> <span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">exp</span><span class="p">(</span><span class="n">cu</span><span class="o">.</span><span class="n">h</span> <span class="o">*</span> <span class="n">nu</span> <