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AndrewC

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 2 years, 1 month
  • 136 profile views
  • Last seen Apr 20 at 6:03

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Top posts (47) All Questions Answers | Votes Newest

23 A ring such that $(a+b)^2=a^2+b^2$ and $(a+b)^3=a^3+b^3$ Sep 17 '18
15 Prove that $\det(AB-BA)=0$ Dec 26 '17
10 A determinant involving a polynomial is $0$ Mar 31 '18
9 Property of a continuous function in the neighborhood of a point Apr 1 '18
9 Are there matrices such that $(AB-BA)^{71}=I_{69}$? Mar 28 '18
8 Prove that $\det(AB-BA)=0$ Dec 26 '17
7 Complex numbers involving roots of unity Apr 15 '17
6 Finding $\lim x_n$ when $\left( 1+\frac{1}{n}\right)^{n+x_n}=1+\frac{1}{1!}+\frac{1}{2!}+\dots+\frac{1}{n!}$ Feb 11 '18
6 For which values of $a$ is $f$ primitivable? Nov 8 '18
5 $(a_n)_{n \geq 1}=\mathbb{Q}_+$ and $\sqrt[n]{a_n}$ is convergent Feb 11 '18
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