math mode - How to get big curly braces for an equation with 3 parts? - TeX - LaTeX Stack Exchange

I am very new to LaTeX. I want to display this: How should I go about doing this?

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latexdiff/latexdiff at master · ftilmann/latexdiff · GitHub

latex-modern-guide/latex-notes.md at master · gandalfsaxe/latex-modern-guide · GitHub

Use GNU Emacs

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latex - Two statements next to curly brace in an equation - Stack Overflow

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What is the difference between curly braces, parentheses, and square brackets in math mode in LaTeX? - Quora

Writing Math Equations in Jupyter Notebook: A Naive Introduction, by Abhay Shukla, Analytics Vidhya

math mode - How to adjust the blank space between the top of the left curly brace and the contents? - TeX - LaTeX Stack Exchange

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