Mathematics
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SekstusEmpiryk
  • Member for 8 years, 1 month
  • Last seen more than 3 years ago
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All Questions Answers
Score Newest
question
12
Find sum of series $\sum_{n=1}^{\infty}\frac{1}{n(4n^2-1)}$
Jan 5, 2016
question
11
Find sum of infinite anharmonic(?) series
Nov 22, 2015
question
6
Differential equation $cos(x-t)=x'$
Mar 9, 2017
question
6
Prove that there exist uncountable family of subsets of $\mathbb{N}$ which is linearly (totally) ordered by relation of inclusion.
Oct 6, 2017
question
6
$\forall x\in\mathbb{R}\setminus\mathbb{Q}:f'(x)=0$. Does it follow that f is constant?
Jan 16, 2017
question
5
Show that $\omega^2+1$ is a prime number.
Jan 13, 2018
question
4
We throw 6-side dice 5 times. Find probability that we will have exactly 4 different values.
Apr 10, 2017
question
4
Prove that finite and infinite presentations of Thompson group $F$ are isomorphic.
May 1, 2018
question
4
Prove that if $2^{\aleph_3}<\aleph_\omega$, then $\aleph_\omega^{\aleph_3}=\aleph_\omega^{\aleph_0}$
Jan 11, 2018
question
4
Evaluating $\int_{-1}^{1} \frac{dx}{(e^x+1)(x^2+1)}$ [duplicate]
May 30, 2016

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