Mathematics
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DreaDk
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All Questions Answers
Score Newest
question
14
Can we express $\pi$ in terms of $\sum_{n=1}^\infty\frac1{n^2}$?
May 29, 2018
question
8
Find the largest term of the sequence $a_n=\sqrt[n]{n}$
Jan 25, 2018
question
6
If $f^n$ is the identity map then prove that $f$ is bijection
Dec 20, 2017
question
4
Find $x,y$ given $\gcd(x,y)$ and ${\rm lcm}(x,y)$
Nov 21, 2018
question
4
Is the set $\{ (x,y) \in \mathbb{R}^2 : xy=1 \}$ open or closed in $\mathbb{R}^2$
Nov 30, 2018
answer
4
What is the limit of sequence with sum?
Oct 11, 2018
question
3
Congruence of angles axiom
Oct 5, 2019
answer
3
How to prove that expessions like $\sqrt{93+63\sqrt{85}} - \sqrt{143} \notin \Bbb{Z}$?
Mar 31, 2019
question
3
Set theory identity
Oct 6, 2017
question
3
Uniform convergence of functional series on interval
May 20, 2018

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