Question

How to prove an equilateral triangle ABC having first brocard point with angles 30, 30, 30

score 76 · Answer 1 · 2026-04-28 03:38:12

76

Views

How to prove an equilateral triangle ABC having first brocard point with angles 30, 30, 30

Published on 28 Apr 2026 - 3:38

score 76 · Answer 2 · 2026-04-25 12:40:34

76

Views

Why is the bilinear form $B_{\theta}$ (defined via Killing form) positive definite?

Published on 25 Apr 2026 - 12:40

score 144 · Answer 3 · 2026-04-11 03:06:21

144

Views

An unusual distributive property applied in a line integral

Published on 11 Apr 2026 - 3:06

score 830 · Answer 4 · 2026-04-15 08:50:14

830

Views

Let $n$ be a natural number. if $|n - 1| + |n + 1| ≤ 1$, then $|n^2 - 1| ≤ 4$

Published on 15 Apr 2026 - 8:50

score 59 · Answer 5 · 2026-04-13 03:39:33

59

Views

Hatcher, Corollary 3E.4

Published on 13 Apr 2026 - 3:39

score 89 · Answer 6 · 2026-04-15 23:34:29

89

Views

Inversing limit-integral $\lim_{s\rightarrow0} \int_0^{\infty} \{ u^{s-1} \sin(u) \} du$

Published on 15 Apr 2026 - 23:34

score 842 · Answer 7 · 2026-04-16 20:10:31

842

Views

The quadratic fields are of the form $\Bbb Q(\sqrt d) $

Published on 16 Apr 2026 - 20:10

score 90 · Answer 8 · 2026-04-19 20:15:54

90

Views

How to prove $\forall n \in \mathbb{N}, x^n − y^n \text{ is divisible by } x − y$ using induction.

Published on 19 Apr 2026 - 20:15

score 63 · Answer 9 · 2026-04-10 05:07:33

63

Views

Explanation of a proof from Lee "Introduction to Topological Manifolds": compact closed set with nonempty interior

Published on 10 Apr 2026 - 5:07

score 505 · Answer 10 · 2026-04-13 23:09:58

505

Views

The equivalence between almost surely continuous and continuous modification

Published on 13 Apr 2026 - 23:09

score 84 · Answer 11 · 2026-04-16 02:51:13

84

Views

Is this a valid proof for proving that swapping two rows in a matrix changes the sign of the determinant?

Published on 16 Apr 2026 - 2:51

score 198 · Answer 12 · 2026-04-17 04:37:01

198

Views

Question regarding proof of continuity of the Gamma function

Published on 17 Apr 2026 - 4:37

score 432 · Answer 13 · 2026-04-12 17:44:26

432

Views

Understanding the $L^{2}-$Limit of Gaussian Random Vectors

Published on 12 Apr 2026 - 17:44

score 677 · Answer 14 · 2026-04-12 22:09:03

677

Views

A question about interchanging an improper integral and a limit

Published on 12 Apr 2026 - 22:09

score 152 · Answer 15 · 2026-04-17 18:48:32

152

Views

On proving that $[L^m, L^n] \subseteq L^{m+n}. $

Published on 17 Apr 2026 - 18:48

List Question

How to prove an equilateral triangle ABC having first brocard point with angles 30, 30, 30

Why is the bilinear form $B_{\theta}$ (defined via Killing form) positive definite?

An unusual distributive property applied in a line integral

Let $n$ be a natural number. if $|n - 1| + |n + 1| ≤ 1$, then $|n^2 - 1| ≤ 4$

Hatcher, Corollary 3E.4

Inversing limit-integral $\lim_{s\rightarrow0} \int_0^{\infty} \{ u^{s-1} \sin(u) \} du$

The quadratic fields are of the form $\Bbb Q(\sqrt d) $

How to prove $\forall n \in \mathbb{N}, x^n − y^n \text{ is divisible by } x − y$ using induction.

Explanation of a proof from Lee "Introduction to Topological Manifolds": compact closed set with nonempty interior

The equivalence between almost surely continuous and continuous modification

Is this a valid proof for proving that swapping two rows in a matrix changes the sign of the determinant?

Question regarding proof of continuity of the Gamma function

Understanding the $L^{2}-$Limit of Gaussian Random Vectors

A question about interchanging an improper integral and a limit

On proving that $[L^m, L^n] \subseteq L^{m+n}. $

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