deletions | additions       diff --git a/untitled.tex b/untitled.tex  index fc46d1d..61605dc 100644  --- a/untitled.tex  +++ b/untitled.tex 
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&=e^{\frac{i\theta}{n}}e^{\frac{i2\pi n}{n}}e^{\frac{i2\pi k}{n}}\\  &=e^{\frac{i\theta}{n}}e^{i2\pi}e^{\frac{i2\pi k}{n}}\\  &=e^{\frac{i\theta}{n}}e^{\frac{i2\pi k}{n}}  &=e^{\frac{i(\theta +2\pi k)}{n}}  \end{align*}  \end{solution}  \end{document}