<?xml version="1.0" encoding="UTF-8"?>
<math xmlns="http://www.w3.org/1998/Math/MathML">
   <msup>
      <mi>H</mi>
      <mn>1</mn>
   </msup>
   <mfenced close=")" open="(">
      <mi>K</mi>
   </mfenced>
   <mo>=</mo>
   <msqrt>
      <mn>2</mn>
   </msqrt>
</math>
