Question

What's wrong with my calculation of a limit here?

score 93 · Answer 1 · 2020-02-03 12:55:06

93

Views

What's wrong with my calculation of a limit here?

Published on 03 Feb 2020 - 12:55

score 30 · Answer 2 · 2020-02-03 14:33:28

30

Views

How was the starting vertex chosen in this solution?

Published on 03 Feb 2020 - 14:33

score 140 · Answer 3 · 2020-02-03 15:37:55

140

Views

Injective if and only if Left Inverse Exists (Proof Verification)

Published on 03 Feb 2020 - 15:37

score 62 · Answer 4 · 2020-02-03 17:33:32

62

Views

Correct representation of $f(x)=(1-x)^2$ as Taylor series

Published on 03 Feb 2020 - 17:33

score 211 · Answer 5 · 2020-02-03 19:14:46

211

Views

How to show that $\theta(A):=A\cup\operatorname{bd}A$ is a kuratowski operator?

Published on 03 Feb 2020 - 19:14

score 135 · Answer 6 · 2020-02-03 19:19:46

135

Views

Reminder Estimation Theorem - $\cos(.1)$ Approximation using MacLaurin Series

Published on 03 Feb 2020 - 19:19

score 227 · Answer 7 · 2020-02-03 19:49:17

227

Views

Convergence of $\displaystyle \int_0^\infty\frac{\sin x}{x^p + \sin x} dx$

Published on 03 Feb 2020 - 19:49

score 171 · Answer 8 · 2020-02-03 20:10:31

171

Views

Show that $N_{t}:=\sup\{n:S_{n}\leq t\}$ is a stochastic process with time $\mathbb{R}_{\geq 0}$.

Published on 03 Feb 2020 - 20:10

score 50 · Answer 9 · 2020-02-03 20:27:14

Show that $f(x)=\begin{cases}x&x\in \mathbb{Q}\\ 0&x\in \mathbb{R\setminus Q}\end{cases}$ doesn´t approach some $l$ as $x\rightarrow a\neq 0$

score 108 · Answer 10 · 2026-03-26 04:35:11

108

Views

Show that a 3-uniform hypergraph on $n \geq 5$ points, in which each pair of points occurs in the same (positive) number of edges, is not 2-colorable.

Published on 26 Mar 2026 - 4:35

score 25 · Answer 11 · 2020-02-04 00:17:42

25

Views

Understanding a step in a solution of a problem

Published on 04 Feb 2020 - 0:17

score 282 · Answer 12 · 2020-02-04 04:46:50

282

Views

Equivalent Definition of Lebesgue Measure

Published on 04 Feb 2020 - 4:46

score 249 · Answer 13 · 2026-03-28 00:06:12

249

Views

Subharmonicity implies mean-value inequality

Published on 28 Mar 2026 - 0:06

score 30 · Answer 14 · 2020-02-04 05:20:28

30

Views

If $W_{1} \cup W_{2}$ is a subspace of $V$, then $W_{1} \subset W_{2}$ or $W_{2} \subset W_{1}$.

Published on 04 Feb 2020 - 5:20

score 66 · Answer 15 · 2020-02-04 10:21:04

66

Views

The equipotence class of a non-empty set is a proper class

Published on 04 Feb 2020 - 10:21

List Question

What's wrong with my calculation of a limit here?

How was the starting vertex chosen in this solution?

Injective if and only if Left Inverse Exists (Proof Verification)

Correct representation of $f(x)=(1-x)^2$ as Taylor series

How to show that $\theta(A):=A\cup\operatorname{bd}A$ is a kuratowski operator?

Reminder Estimation Theorem - $\cos(.1)$ Approximation using MacLaurin Series

Convergence of $\displaystyle \int_0^\infty\frac{\sin x}{x^p + \sin x} dx$

Show that $N_{t}:=\sup\{n:S_{n}\leq t\}$ is a stochastic process with time $\mathbb{R}_{\geq 0}$.

Show that $f(x)=\begin{cases}x&x\in \mathbb{Q}\\ 0&x\in \mathbb{R\setminus Q}\end{cases}$ doesn´t approach some $l$ as $x\rightarrow a\neq 0$

Show that a 3-uniform hypergraph on $n \geq 5$ points, in which each pair of points occurs in the same (positive) number of edges, is not 2-colorable.

Understanding a step in a solution of a problem

Equivalent Definition of Lebesgue Measure

Subharmonicity implies mean-value inequality

If $W_{1} \cup W_{2}$ is a subspace of $V$, then $W_{1} \subset W_{2}$ or $W_{2} \subset W_{1}$.

The equipotence class of a non-empty set is a proper class

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