Anybody think this identity is not super-cool?(adsbygoogle = window.adsbygoogle || []).push({});

\begin{eqnarray}

\frac {1} {1-x} =

(1+x) \prod_{n=1} ^{\infty}

[ \frac {(1+x^{2^n})} {(1-x^{2^n})} ]^{2^{-n}} , {\;}

for {\;} 0{\le}x<1

\nonumber

\end{eqnarray}

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# A cool identity

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