How would I something to the effect of

and put an under brace under the x+x+x+x+x+...+x part that says "an even number of terms}?

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- Jun 11th 2008, 04:21 PMMathstud28Under text
How would I something to the effect of

and put an under brace under the x+x+x+x+x+...+x part that says "an even number of terms}? - Jun 11th 2008, 06:25 PMo_O

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[tex]f(x)= \underbrace{x+x+x+x+...+x}_{\text{An even number of terms}}[/tex] - Jun 11th 2008, 09:19 PMReckoner
Another tip: for best results, the ellipsis should be written using \dots = rather than ... = . And when the ellipsis is between two operators, use \cdots to get a proper center-alignment: e.g. or (doesn't that look nicer?).

And thank you o_O for making me realize that there is a [noparse] tag. I used to resort to such trickery as writing [[i][/i]math]...[/tex]. This makes it much easier! - Jun 11th 2008, 11:02 PMMoo
You can note that for a brace over the whole, it's simply \overbrace :

[tex]f(x)=\overbrace{x+x+x+\dots+x+x}^{\text{An even number of terms}}[/tex]