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seen Sep 16 at 16:40

I am teaching myself mathematics ... poorly.


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comment How to differentiate $\lim\limits_{n\to\infty}\underbrace{x^{x^{x^{…}}}}_{n\text{ times}}$?
Possible duplicate: math.stackexchange.com/q/138498/27624
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accepted Sum with binomial coefficients and a square root
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accepted Proving $\left(\sum_{n=-\infty}^\infty q^{n^2} \right)^2 = \sum_{n=-\infty}^\infty \frac{1}{\cos(n \pi \tau)}$
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