In the LaTeX block you can insert an inline formula by typing the equation inside. Also LATEX is super useful if you always need to make complex documents consider learning it with for free online. Apparently both are located within a span tag with class equal to math so the CSS selector spanmath will style both.
From inside of VSCode.
Since I am writing blog post that hosted by Github with Editor Atom and use plugin markdown-preview-plus and mathjax-wrapper and use mathjax Javascript display the math symbols on the web page. How to show math equations in general githubs markdown not githubs blog Quick and Simple Inline. From inside of VSCode. By studying the document source code file compiling it and observing the result side-by-side with the source youll learn a lot about the R Markdown and LaTeX mathematical typesetting language and youll be able to produce nice-looking documents with R input and output neatly formatted.