 
<math>
  <mrow>
    <mo stretchy='false'>[</mo>
    <mo>-</mo>
    <mn>1</mn>
    <mo>/</mo>
    <msqrt>
      <mn>3</mn>
    </msqrt>
    <mo>,</mo>
    <mn>0</mn>
    <mo stretchy='false'>]</mo>
    <mo>&cup;</mo>
    <mo stretchy='false'>[</mo>
    <mn>1</mn>
    <mo>/</mo>
    <msqrt>
      <mn>3</mn>
    </msqrt>
    <mo>,</mo>
    <mo>+</mo>
    <mi>&infty;</mi>
    <mo stretchy='false'>]</mo>
  </mrow>
</math>
  