This is because LaTeX typesets maths notation differently than normal text. Therefore, special Power, x^n, image of powers in LaTeX. x^{2n}.

Just to give a little closure Depends on what you want. As egreg said, you can go by. $2^{(n-1)/3}$ or you could also try using \frac{numerator}{denominator}.

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Powers and indices are equivalent to superscripts and subscripts in normal text mode. The caret (^ ; also known as the.

Hypertext Help with LaTeX. Superscripts. To get an expression, exp, should display as "x3 is the third power of x". Note that the braces around the argument.