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Mengchun Zhang's user avatar
Mengchun Zhang's user avatar
Mengchun Zhang's user avatar
Mengchun Zhang
  • Member for 7 years, 4 months
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Research Postgraduate Student in Mathematics

Email: [email protected]

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6
Root test application question (usefulness of root test for the series $\sum 1/n^n$)
Sep 25, 2023
5
Determine the limit to which $\prod_{n=2}^{\infty}\left (1+\frac{(-1)^n}{n}\right )$ converges
May 6, 2017
5
How to show that $\sqrt{3 - \sqrt{2}} \notin \mathbb{Q}(\sqrt{3 + \sqrt{2}})$
Mar 6, 2017
4
Is is true that $\int_0^1\sin(\pi x)\,x^x\,(1-x)^{1-x}\,dx\ =\ \frac1{4!}e\pi$? [duplicate]
Apr 1, 2017
4
How does this solution involving complex numbers work on this inequality?
May 30
4
Example of function which behaves linearly on $[0,1]$ and admits an asymptote as $x\to \infty$
Nov 4, 2023
4
Solve integral $\int \int \int_A \frac{dxdydz}{(x+y+1)^2}$ where $A=\{(x,y,z):0<x<1, 0<x+y<1, 0<z(x+y+1)<1\}$
Mar 2, 2017
4
How to evaluate $ \sum\limits_{k=0} ^{\infty} \frac{(-1)^k}{4k+3}$?
Oct 29, 2023
4
$\int_V\sin(\sqrt{x^2+y^2})dxdy$
Jan 5, 2018
3
Stuck on finding a closed formula for sequence, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12...
Sep 19, 2023