How do I use subscripts?
You can create subscripts in math mode using an underscore. For example, writing $x_1$ produces $x_1$, making 1 a subscript and $x_{i+1}$ typesets $x_{i+1}$, making i + 1 a subscript.
Overleaf guides
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LaTeX Basics
- Creating your first LaTeX document
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Mathematics
- Mathematical expressions
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Figures and tables
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References and Citations
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Languages
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Class files
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