https://katex.org/docs/supported.html
1.x_n $x_n$
2 . sum $sum$
sum_{i=1}^n $sum_{i=1}^n $
3.inom{n}{k} $inom{n}{k}$
4. leq $leq$
5.geq $geq$
6.sqrt{x} $sqrt{x}$
https://katex.org/docs/supported.html
1.x_n $x_n$
2 . sum $sum$
sum_{i=1}^n $sum_{i=1}^n $
3.inom{n}{k} $inom{n}{k}$
4. leq $leq$
5.geq $geq$
6.sqrt{x} $sqrt{x}$