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How Do I...

I'm having a problem with underbraces and overbraces in LaTeX. Normally,

\underbrace{a*a*\ldots*a}_{n \mbox{ terms}}

should give me an underbrace with "n terms" centered beneath it. Instead, it comes out looking like this:

$$\underbrace{a*a*\ldots*a}_{n \mbox{ terms}}$$

Clearly, the "n terms" is being interpreted as a subscript. The same thing happens with overbrace, except the "n terms" is interpreted as a superscript. What am I doing wrong? --Spoon737 19:36, 20 August 2008 (UTC)

For some reason some of the LaTeX commands don't work correctly, I'm not quite sure why that is but I'm trying to find out why, and then hopefully find a remedy. If anybody has MediaWiki experience, any help would be greatly appreciated. --Joe 20:34, 20 August 2008 (UTC)