Mathematics
PierreCarre's user avatar
PierreCarre's user avatar
PierreCarre's user avatar
PierreCarre
  • Member for 4 years, 10 months
  • Last seen this week
  • Lisbon, Portugal
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About

I got my PhD in mathematics (2008) at Universidade de Lisboa, where I am currently a professor.

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View all questions and answers
All Questions Answers
Score Newest
answer
15
determining if sequence has upper bound
Feb 4, 2019
answer
9
If $\partial A$ is bounded, then $A$ is bounded
Oct 8, 2020
answer
8
How we can find the sum of all roots for $x^2+\cos x=2019$
May 7, 2019
answer
8
Help needed to calculate the derivative of $\int_0^t \cos(x^2) d x$
Mar 16
answer
7
Show that $\int_0^{\pi/3} \frac{1}{(\cos\theta + \sqrt{3}\sin\theta)^2}\,d\theta = \frac{\sqrt3}{4}$
May 9, 2019
answer
7
Proving $abcd+3\geq a+b+c+d$
Jan 18, 2021
answer
7
$ \int_{1}^{\infty} x^a \sin{\left(\frac{1}{x^b}\right)} dx $ Convergent and Divergent?
May 27
answer
7
Prove that $f_x(1,1)=-f_y(1,1)$
Jul 11, 2020
answer
6
Show convergence of $x_{n+1} = x_n(a-x_n)$ for $n\in \Bbb N$.
Feb 5, 2019
answer
6
How to calculate compound interest percentage from one period to another?
Apr 14, 2022

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