se">)</mo>
  <mo fence="false" stretchy="false">⟩</mo>
</math></span>
and impress your friends. Okay, lets do one more for the heck of it: <span class="labeledMath"><span class="phantom leftMathLabel">(2<i>a</i>)</span><!-- $$i\hbar\frac{\partial}{\partial t} \Psi(\mathbf{r},t) = \left [ \frac{-\hbar^2}{2\mu}\nabla^2 + V(\mathbf{r},t)\right ] \Psi(\mathbf{r},t)$$ --><span id="f3" class="displayMath"><math xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="i italic h over two pi StartFract