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Mathematics
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DSL
  • Member for 9 years, 3 months
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full stack developer has a passion for JS and Node

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4
To find the last digit of the number $4^{7^5}$?
Jun 15, 2017
4
Is $\left(\sum_{n=1}^N\frac{a_n}{N}\right)^N\left(\sum_{n=N+1}^{2N}\frac{a_n}{N}\right)^N≠\left(\sum_{n=1}^{2N}\frac{a_n}{2N}\right)^{2N}$?
Jun 18, 2017
4
how to prove Euler formula with disconnected graph with k components?
Apr 30, 2017
3
How can the limit of this $F(x,y)$ is $0$ when it is taken along $y=x^2$ or $ x=y^2$?
Jan 15, 2017
3
How do I change my result into the pascal identity? see details please.
Jan 22, 2017
3
A characterisation of planar complete $k$-partite graphs [duplicate]
Apr 19, 2017
3
Is this limit $\lim\limits_{x \to\, -8}\frac{\sqrt{1-x}-3}{2+\sqrt[3]{x}} = 0$?
Feb 18, 2017
3
Please give hint to find the sum of this series: $\sum_{n=1}^{\infty}\frac{(-1)^{n-1}}{n!}$
Nov 11, 2016
2
Suppose $R$ is a relation on $X$. What does it mean if $R$ is both a partial order and an equivalence?
Jun 16, 2017
2
How to prove $f(\bigcap_{\alpha \in A}U_{\alpha}) \subseteq \bigcap_{\alpha \in A}f(U_{\alpha})$?
Jun 7, 2017
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7
How do I recursively calculate this equation and generate a list of iteration?
5
need help to enter the orthogonal sign, the upside down T.