ass="mord mathnormal mtight" style="margin-right:0.05724em">j</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height:0.43581800000000004em;"><span></span></span></span></span></span></span><span class="mspace" style="margin-right:0.16666666666666666em"></span><span class="mop" style=""><span style="">e</span><span style="">x</span><span style="">p</span></span><span class="mopen" style="">(</span><span class="mord" style=""><span class="mope