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20h
answered Topology without tears exercises 1.2 #6 i)
21h
answered How to count algebraic multiplicities to show $\nexists$ an eigenbasis for $A$?
1d
answered On convergent sequences
1d
answered Prove that this set is open
1d
asked Difference between definitions of $p$-subgroup and Sylow $p$-subgroup
1d
answered Proving that $3^n<n!$ when $n\geq 7$
2d
answered Where could (do?) we go after exhausting greek letters?
2d
answered Eigen space of $T_{A}$ where $T_{A}(v)=Av$
2d
answered Proving that if a set is both open and closed then it is equal to the real numbers
2d
answered Classify $ \mathbb{Z}_9\times\mathbb{Z}_8\times\mathbb{Z}_8$/<(3,2,4)> according to the fundamental theorem of finitely generated abelian groups.
Apr
23
asked Subgroups of every order dividing the order of the group imply the group is abelian?
Apr
21
answered Find $\lim\limits_{n\rightarrow\infty}(n!)^{1/n^2}$
Apr
18
answered If $4=5$, then $6=8\,$ (yes or no?)
Apr
18
answered Finding all possible pairs of positive integer values
Apr
18
answered Is this permutations or combinations?
Apr
17
asked Quotient topology by identifying the boundary of a circle as one point
Apr
8
asked Showing that $\{x\mid f(x)\leq g(x)\}$ is closed.
Apr
8
answered Is $(-\infty, 0]$ closed in $\mathbb{R}$?
Apr
6
answered Why is $\lim \limits_{h \to 0} \frac{e^{h} - 1}{h} = 1$?
Apr
6
answered Proof that the set $\{(x_1, x_2) \in E^2: x_1>x_2\}$ is open