Question

Proof Help: Prove that limit does not exist for a particular function

score 977 · Answer 1 · 2026-04-11 02:03:10

977

Views

Proof Help: Prove that limit does not exist for a particular function

Published on 11 Apr 2026 - 2:03

score 185 · Answer 2 · 2026-04-09 10:27:55

185

Views

An equation for Fibonacci numbers

Published on 09 Apr 2026 - 10:27

score 2.6k · Answer 3 · 2026-04-14 15:21:53

2.6k

Views

Prove sign-preserving property of continuous functions using contradiction ((Apsotol calculus vol 1, page 143).

Published on 14 Apr 2026 - 15:21

score 568 · Answer 4 · 2026-04-12 09:52:32

568

Views

A longer series is better for a better team: Can you see this at a glance?

Published on 12 Apr 2026 - 9:52

score 2.4k · Answer 5 · 2026-04-11 00:10:48

2.4k

Views

Prove that a function $g$ is Lipschitz with Lipschitz Constant without using the Mean Value Theorem.

Published on 11 Apr 2026 - 0:10

score 43 · Answer 6 · 2026-04-14 09:00:31

43

Views

Prove that $\int_{a}^{b} h(x)dx = \lim_{k\to\infty} \sum_{j=1}^{k} h(x^{k}_{j})\frac{b-a}{k}$ using given intermediate points.

Published on 14 Apr 2026 - 9:00

score 130 · Answer 7 · 2026-04-14 06:24:40

130

Views

Alternative proof limit definition is equivalent to sequence limit definition (Rudin 4.2)

Published on 14 Apr 2026 - 6:24

score 418 · Answer 8 · 2026-04-15 13:31:39

418

Views

If $x_n \to 0$ and $\sigma : \mathbb{N} \to \mathbb{N}$ is a bijection, then show that $x_{\sigma (n)} \to 0$

Published on 15 Apr 2026 - 13:31

score 65 · Answer 9 · 2026-04-11 13:52:30

65

Views

Using a trick to show an integral doesn't converge

Published on 11 Apr 2026 - 13:52

score 55 · Answer 10 · 2026-04-11 22:18:22

55

Views

Proof-Check: Linear Algebra and Linear Independence

Published on 11 Apr 2026 - 22:18

score 328 · Answer 11 · 2026-04-14 08:36:21

328

Views

Solution of $\nabla^2u=u_{xx}+u_{yy}=0$?

Published on 14 Apr 2026 - 8:36

score 873 · Answer 12 · 2026-05-10 15:00:01

873

Views

Is the solution of $ u_{tt}=c^2u_{xx}+xt $ correct?

Published on 10 May 2026 - 15:00

score 296 · Answer 13 · 2026-03-26 06:06:50

296

Views

Proving a combinatorial identity: $\sum_{i=0}^m \binom{l}{i}\binom{m+n-l}{m-i} = \binom{m+n}{m}$

Published on 26 Mar 2026 - 6:06

score 993 · Answer 14 · 2026-04-12 10:41:01

993

Views

Are the proofs for the properties of parallel lines, and that a triangle has 180 degrees, inherently tautological?

Published on 12 Apr 2026 - 10:41

score 169 · Answer 15 · 2026-04-15 14:44:43

169

Views

$f(x-y)=f(x)f(y)$

Published on 15 Apr 2026 - 14:44

List Question

Proof Help: Prove that limit does not exist for a particular function

An equation for Fibonacci numbers

Prove sign-preserving property of continuous functions using contradiction ((Apsotol calculus vol 1, page 143).

A longer series is better for a better team: Can you see this at a glance?

Prove that a function $g$ is Lipschitz with Lipschitz Constant without using the Mean Value Theorem.

Prove that $\int_{a}^{b} h(x)dx = \lim_{k\to\infty} \sum_{j=1}^{k} h(x^{k}_{j})\frac{b-a}{k}$ using given intermediate points.

Alternative proof limit definition is equivalent to sequence limit definition (Rudin 4.2)

If $x_n \to 0$ and $\sigma : \mathbb{N} \to \mathbb{N}$ is a bijection, then show that $x_{\sigma (n)} \to 0$

Using a trick to show an integral doesn't converge

Proof-Check: Linear Algebra and Linear Independence

Solution of $\nabla^2u=u_{xx}+u_{yy}=0$?

Is the solution of $ u_{tt}=c^2u_{xx}+xt $ correct?

Proving a combinatorial identity: $\sum_{i=0}^m \binom{l}{i}\binom{m+n-l}{m-i} = \binom{m+n}{m}$

Are the proofs for the properties of parallel lines, and that a triangle has 180 degrees, inherently tautological?

$f(x-y)=f(x)f(y)$

Trending Questions

Popular # Hahtags

Popular Questions