Mathematics
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TBTD
  • Member for 9 years, 2 months
  • Last seen more than 1 year ago
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All Questions Answers
Score Newest
question
8
Real Analysis advanced book suggestion
Aug 19, 2016
answer
7
Show that a following equation has no solution in integers: $x^3-x+9=5y^2$
Jun 20, 2019
answer
6
Let $a,b\ge 0$ be integers such that $2^na+b$ is a perfect square $\forall n>0$
Jun 19, 2019
answer
6
When is $2^{2n}-1$ prime?
Apr 28, 2019
answer
5
Existence of 2006 distinct natural numbers
Jan 15, 2019
answer
5
We know that $x,y,z>0$ and $x+y+z=30$ For which value will be $xyz^2$ maximal?
Apr 23, 2017
answer
5
variance of number of isolated vertices in random graph $G(n,p)$
Jun 8, 2019
answer
4
Is the set $A=\{x\in E|\lim_{n \to\infty} f_n(x)\ exists\ (finitely)\}$ measurable?
Apr 26, 2017
answer
4
$f(x)$ continuous in $[0,\infty)$. Both $\int^\infty_0f^4(x)dx, \int^\infty_0|f(x)|dx$ converge. Prove that $\int^\infty_0f^2(x)dx$ converges
Apr 26, 2017
answer
4
If $f\in L^1([0,\infty ))$ then $\lim_{n\to \infty}\frac{1}{n}\int_{[0,n]}xf(x)dx=0$
Apr 26, 2017

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