deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 32cd7db..42fcc04 100644  --- a/untitled.tex  +++ b/untitled.tex 
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\begin{align*}  e^{\frac{i(\theta+2\pi m)}{n}} &=e^{\frac{i\theta}{n}}e^{\frac{i2\pi (n+k)}{n}}\\  &=e^{\frac{i\theta}{n}}e^{\frac{i2\pi n+i2\pi k}{n}}\\  &=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}} \end{align*}  \end{solution}  \end{document}