JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
\begin{align}
\alpha &=α\\
\Bbb R &=ℝ\\
\sum_{k=0}^n&=∑_{k=0}^n \\
\prod_{k=0}^n&=∏_{k=0}^n \\
\coprod_{k=0}^n&=∐_{k=0}^n \\
\bigcup_{k=0}^n&=⋂_{k=0}^n \\
\bigcap_{k=0}^n&=⋃_{k=0}^n \\
\bigwedge_{k=0}^n &=⋀_{k=0}^n\\
\bigvee_{k=0}^n &=⋁_{k=0}^n\\
\sqrt{2}&=√{2} \\
\sqrt[3]{2} &=∛{2} \\
\sqrt[4]{2} &=∜{2} \\
x^2&=x² \\
x_2&=x₂ \\
\mathscr{C}&=𝒞 \\ 
\mathcal{C}&=𝒞 \\
\overbrace{x+y} &= ⏞{x+y} \\
\underbrace{x+y} &= ⏟{x+y} \\
\end{align}

JavaScript

MathJax.Hub.Config({
  "HTML-CSS": {
    availableFonts: [], preferredFont: null, // force Web fonts
    webFont: "Latin-Modern"
  }
});