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Mathxx
  • Member for 10 years, 9 months
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question
41
Is there another way to solve $\int_{0}^{\pi}\frac{1-\sin x}{\sin x+1}dx$
Mar 17, 2015
question
14
Number theory book recommendation.
Jun 7, 2017
question
11
Calculate $\sum_{n=2}^{\infty}\left (n^2 \ln (1-\frac{1}{n^2})+1\right)$
Oct 31, 2022
question
11
Truth of $x^2-2=0$
May 27, 2017
question
10
Prove that $n=\frac{5^{125}-1}{5^{25}-1}$ is a composite number [duplicate]
Jun 8, 2017
question
10
Inequality with (1-x) as denominator
Apr 22, 2015
question
10
$\int_{0}^{\infty}\tan^{-1}\left(\frac{2x}{1+x^2}\right)\frac{x}{x^2+4}dx$ [closed]
Sep 11, 2022
question
9
Integration of $\frac{1}{\sin x+\cos x}$
May 17, 2015
question
9
$\sin(40^\circ)<\sqrt{\frac{3}7}$
Aug 21, 2017
question
9
Solve $x^2+2ax+\frac{1}{16}=-a+\sqrt{a^2+x-\frac{1}{16}} $
May 24, 2017

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135
Mensa IQ test question - lines in squares
9
MLE of $f(x;\alpha,\theta)=\frac{e^{-x/\theta}}{\theta^{\alpha}\Gamma(\alpha)}x^{\alpha-1}$
8
Convolution for uniform distribution and standard normal distribution
7
MLE of $\sqrt{\frac{2}{\pi}}\exp\left({-\frac{1}{2}(x-\theta)}^2\right)$