Top network posts

• 15 Method of proof of $\sum\limits_{n=1}^{\infty}\tfrac{\coth n\pi}{n^7}=\tfrac{19}{56700}\pi^7$
• 11 "Proof" that $1-1+1-1+\cdots=\frac{1}{2}$ and related conclusion that $\zeta(2)=\frac{\pi^2}{6}.$
• 9 Binomial expansion, how to do them quickly?
• 6 Normal modes of the 2D double pendulum
• 6 A number $a$ is a square in $\mathbf{Q}$ if and only if it is a square in $\mathbf{R}$ and $\mathbf{Q}_p$ for all primes $p$
• 6 Why is Catalan's constant $G$ important?
• 5 Methods of constructing rapidly convergent series
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