Latex references test

1. Feb 25, 2010

Gringo123

x2
x3
x2
$$\nearrow$$
$$\sqrt[]{}8$$

2. Feb 25, 2010

HallsofIvy

Staff Emeritus
For just square root (as opposed to cube root, etc.) you don't need the "[ ]". And the 8, assuming it is supposed to be in the square root goes inside the braces:

\sqrt{8} gives $\sqrt{8}$

\sqrt[3]{8} gives $\sqrt[3]{8}$