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weierstrash

A loser who thinks he is capable of pursuing mathematics as a career

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4 A question regarding dense subsets Mar 13 '18
4 Group of order $1+2+3+ \cdots + n$ with class equation $1+2+3+ \cdots + n$ Jun 15 '20
4 A countable dense set of irrational numbers. Jul 7 '18
4 Prove $\langle x^2+1\rangle$ is maximal ideal of $\Bbb{Q}[x]$ Jul 27 '20
3 Banach space of continuous and discontinuous functions on R Aug 5 '20
3 Find the determinant of a matrix $A$, such that $A^4 + 2A = 0$ Aug 6 '20
3 If every $x \in \mathbb{R}^{n}$ has a neighbourhood whose intersection with the set $A$ is closed, then $A$ is closed. Jul 7 '20
3 Ideals of the ring $\mathbb{Z}_3[x]/\langle x^4+x^3+x+1\rangle$ Jun 13 '20
3 Why does $\frac{d}{dx}e^x=e^x$? Jun 20 '20
3 Textbooks in which determinant is defined as an alternating multilinear map May 29 '20
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