I wanna display a matrix within parenthesis or brackets with codes html/CSS/javascript, can you help me please?

Answer 1

So I found the matrix code for you, you can study it in detail ↓↓↓ :)
https://code.sololearn.com/Wj7ZWBg5m2OG/?ref=app

Answer 2

@James16, I want to speak about matrices in mathematics.