Américo Tavares

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20,722 reputation

334105

bio	website	problemasteoremas.wordpress.c…
	location	Queluz, Portugal
	age	62
visits	member for	2 years, 9 months
	seen	3 mins ago
stats	profile views	5,106

I'm a retired Portuguese electrical engineer.

You can contact me at acltavares[at]sapo[dot]pt

Blog Problemas Teoremas.

MathOverflow account

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430 Answers

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39	Different methods to compute $\sum\limits_{n=1}^\infty \frac{1}{n^2}$
29	Teenager solves Newton dynamics problem - where is the paper?
25	What is the result of infinity minus infinity?
25	Explain $\iint \mathrm dx\mathrm dy = \iint r \mathrm d\alpha\mathrm dr$
22	Adding powers of $i$

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20,722 Reputation

+30	How to solve this simultaneous equation of $3$ variables.
+10	Integral of $\cot^2 x$?
+10	Integral with 4 radicals-hat
+10	Solve equations $\sqrt{t +9} - \sqrt{t} = 1$

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37 Questions

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38	What is the importance of Calculus in today's Mathematics?
27	Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable?
24	Asymptotic (divergent) series
20	Generalizing $\sum \limits_{n=1}^{\infty }n^{2}/x^{n}$ to $\sum \limits_{n=1}^{\infty }n^{p}/x^{n}$
16	What does closed form solution usually mean?

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132 Tags

631 calculus × 162	180 sequences-and-series × 45
332 algebra-precalculus × 93	138 definite-integral × 22
310 integral × 69	121 limit × 35
306 trigonometry × 80	107 geometry × 39
273 homework × 82	107 integration × 25

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$Mathematics Stack Exchange$	Mathematics	20,722 rep	334105
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Enlightened × 6	Good Question × 2
Nice Answer × 33	Nice Question × 8
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multivariable-calculus	Good Answer × 4

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