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<msqrt> - MathML | MDN
<msqrt> Baseline Widely available
The <msqrt>MathML element is used to display square roots (no index is displayed). The square root accepts only one argument, which leads to the following syntax: <msqrt> base </msqrt>.
<math display="block">
<msqrt>
<mi>x</mi>
</msqrt>
</math>
