 initial-value
                 (add-streams (scale-stream integrand dt)
                              int)))
  int)</code></pre>
<aside><h4>Exercises:</h4> <ul class="flat"><li class="flat__item"><a href="../../exercise/3/5.html#ex3.73">3.73</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.74">3.74</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.75">3.75</a>, </li><li class="flat__item"><a href="../../exercise/3/5.html#ex3.76">3.76</a></li></ul></aside>
<h2 id="3.