Question

Proof That the Mahalanobis Distance is $\ge 0$

score 1k · Answer 1 · 2026-04-23 16:36:49

1k

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Proof That the Mahalanobis Distance is $\ge 0$

Published on 23 Apr 2026 - 16:36

score 141 · Answer 2 · 2026-04-16 13:19:25

141

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Prove that the limit of the sequence $a_n:=\frac{6n+1}{2n+5}$ is 3, using the Epsilon definition.

Published on 16 Apr 2026 - 13:19

score 150 · Answer 3 · 2026-04-14 19:38:44

150

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Prove that if a sequence of positive real numbers $(a_n)$ converges to 1, then $(1/a_n)$ also converges to 1

Published on 14 Apr 2026 - 19:38

score 171 · Answer 4 · 2026-04-11 14:04:15

171

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Differentiability implies continuity proof with little-o notation

Published on 11 Apr 2026 - 14:04

score 94 · Answer 5 · 2026-04-14 04:35:18

94

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Proofs with linear maps

Published on 14 Apr 2026 - 4:35

score 37 · Answer 6 · 2026-04-16 07:31:51

37

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If $x_0$ is a cluster point of a set $S$ and $f:S \to \mathbb{R}$ then $f$ can have at most one limit as $x \to x_0$

Published on 16 Apr 2026 - 7:31

score 143 · Answer 7 · 2026-04-14 22:01:46

143

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Growth of Functions proof

Published on 14 Apr 2026 - 22:01

score 86 · Answer 8 · 2026-04-10 04:57:23

86

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Problem in Math Writing

Published on 10 Apr 2026 - 4:57

score 45 · Answer 9 · 2026-04-12 23:58:54

45

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Relationship between two traingles that have same adjacent side

Published on 12 Apr 2026 - 23:58

score 104 · Answer 10 · 2026-04-14 03:33:02

104

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How to show that $2^n > n$ without induction

Published on 14 Apr 2026 - 3:33

score 108 · Answer 11 · 2026-04-13 20:24:40

108

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Let t be a complex number that is also a fifth root of unity. Prove the following:

Published on 13 Apr 2026 - 20:24

score 72 · Answer 12 · 2026-04-17 11:40:29

72

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About $ f(w,L) = \int_1^w \int_0^{2 L \pi} \frac{ \ln(\frac{\sin(x) +\ sin(vx)}{2} + \frac{5}{4})}{L(w - 1)} dx dv $

Published on 17 Apr 2026 - 11:40

score 243 · Answer 13 · 2026-04-15 18:03:57

243

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Prove: Given $x_0$ is a cluster point of a set $S$ and $f:S \to \mathbb{R}$ then $f$ can have at most one limit as $x \to x_0$

Published on 15 Apr 2026 - 18:03

score 2.7k · Answer 14 · 2026-04-14 08:07:06

2.7k

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Proving $n \leq 3^{n/3}$ for $n \geq 0$ via the Well-Ordering Principle

Published on 14 Apr 2026 - 8:07

score 50 · Answer 15 · 2026-04-12 22:36:15

50

Views

Is there a name for this method of proof?

Published on 12 Apr 2026 - 22:36

List Question

Proof That the Mahalanobis Distance is $\ge 0$

Prove that the limit of the sequence $a_n:=\frac{6n+1}{2n+5}$ is 3, using the Epsilon definition.

Prove that if a sequence of positive real numbers $(a_n)$ converges to 1, then $(1/a_n)$ also converges to 1

Differentiability implies continuity proof with little-o notation

Proofs with linear maps

If $x_0$ is a cluster point of a set $S$ and $f:S \to \mathbb{R}$ then $f$ can have at most one limit as $x \to x_0$

Growth of Functions proof

Problem in Math Writing

Relationship between two traingles that have same adjacent side

How to show that $2^n > n$ without induction

Let t be a complex number that is also a fifth root of unity. Prove the following:

About $ f(w,L) = \int_1^w \int_0^{2 L \pi} \frac{ \ln(\frac{\sin(x) +\ sin(vx)}{2} + \frac{5}{4})}{L(w - 1)} dx dv $

Prove: Given $x_0$ is a cluster point of a set $S$ and $f:S \to \mathbb{R}$ then $f$ can have at most one limit as $x \to x_0$

Proving $n \leq 3^{n/3}$ for $n \geq 0$ via the Well-Ordering Principle

Is there a name for this method of proof?

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