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Glycerius
  • Member for 7 years, 11 months
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7
Integral $\int (\cot^{2}x+\cot^{4}x)\mathrm{d}x$
Jan 8, 2017
4
How to find the eigenvalues of $A+I$ given the eigenvalues of $A$?
May 14, 2018
3
How many integers $n$ for $3<n<100$ are such that $1+2+3+\cdots+(n-1)=k^2$, with $k \in \mathbb{N^*}$?
Feb 24, 2017
3
Integrating $\frac{1}{\sqrt{x^2+1}}$ with the help of a variable change
Mar 18, 2017
2
Evaluating $\lim_{x \rightarrow 0} \frac{x+\sin(4x)}{2x-\sin(x)}$ without l'Hôpital's Rule
Nov 19, 2016
2
Evaluating $\lim_{x\rightarrow0}\frac{1-\frac{1}{2}x^2-\cos(\frac{x}{1-x^2})}{x^4}$
Nov 25, 2016
2
What is the m-th derivative of $f(x)=a_{n}x^{n}+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+\ldots+a_{2}x^{2}+a_{1}x+a_{0}$?
Nov 27, 2016
2
Why is $a+(a+r)+(a+2r)+\cdots+(n-2r)+(n-r)+n=\frac{(n+a)\cdot(n-a+r)}{2r}$?
Jan 26, 2017
2
With $f$ defined on the unit disc $D: x^2 +y^2 \leq 1$, and given that $\nabla f(1,0) = (1, 1)$, could $f$ reach its maximal value on $D$ at $(1, 0)$?
Nov 15, 2017
2
Evaluating $\sum_{y=a}^{\infty}{y \choose a} \cdot p^{y-a}$ for $p \in [0,1]$
Nov 19, 2019