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.
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.