How can I write 2^((n-1)/3) or anything similar in LaTeX? I am new to the whole thing, but I tried giving it a shot and it doesn't look the way I want it too. It looks like I am taking the 2 to the power of parenthesis, which is silly.
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Just to give a little closure... Depends on what you want. As egreg said, you can go by
...or you could also try using
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$2^{(n-1)/3}$is rather common. – egreg Mar 2 at 0:44{ }which groups(n-1)/2so that the whole fraction gets “superscripted.” – Qrrbrbirlbel Mar 2 at 1:08(n-1)/2is an expression, not an equation (despite what MS Word says). But if you had an equation such asx=3, you could still form the expression$2^{x=3}$. – Matthew Leingang Apr 10 at 0:25