![mathematics - How would I underline an equation with a curly brace and an explanation? - TeX - LaTeX Stack Exchange mathematics - How would I underline an equation with a curly brace and an explanation? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/CuAb9.png)
mathematics - How would I underline an equation with a curly brace and an explanation? - TeX - LaTeX Stack Exchange
Markdown parses LaTeX math symbols as its formatting syntax in notebook · Issue #1275 · ipython/ipython · GitHub
![math mode - How do you write a vector with an underline instead of an arrow? - TeX - LaTeX Stack Exchange math mode - How do you write a vector with an underline instead of an arrow? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/Y5wdc.png)
math mode - How do you write a vector with an underline instead of an arrow? - TeX - LaTeX Stack Exchange
![align - Double underlining an answer while keeping the equations aligned at "=" symbol - TeX - LaTeX Stack Exchange align - Double underlining an answer while keeping the equations aligned at "=" symbol - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/S12L8.png)