Américo Tavares
I am a retired Portuguese electrical engineer. Find out more on my blog, Problemas e Teoremas. Some contributions to MSE (pdf, July 2020)
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- 235 Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ (Basel problem)
- 71 What is the Jacobian matrix?
- 65 Nice proofs of $\zeta(4) = \frac{\pi^4}{90}$?
- 60 What is the importance of Calculus in today's Mathematics?
- 52 What is the result of $\infty - \infty$?
- 48 Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable?
- 42 Proving $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx = \frac{\sqrt \pi}{2}$
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