This section of the document is plain markdown. I’m adding italics and boldface text in the same way I would in any other markdown doccument.
In the next section I am going to add a “chunk” of R code:
print("hello world!")
## [1] "hello world!"
You can see that (by default) the “knitted” doccument shows my code first, which is then followed by output that R generates when this code is “executed”.
This \(x^3\) is inline
\[ a^2 + b^2 = c^2 \]