yNKvLXqlxW3B6XuXzn4C8NyNiQ">
      Sage</a>.
    </div>    <div class="marginpar">
      <span class="bmw">See 14.2: 41-50 for more
      practice.</span><span class="larsonfive">See Larson
      13.2:9&ndash;36 for more practice.</span>
    </div>
      Consider the function $\ds f(x,y) =
    \frac{xy}{x^2+y^2}$. Does this function have a limit at
    $(0,0)$?

    <ol>
      <li>Examine the function at $(0,0)$ by considering the limit
      as you approach the origin along several lines.</li>

      <li>C