Question

Is the integrand integrable?

score 54 · Answer 1 · 2026-04-05 15:45:45

54

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Is the integrand integrable?

Published on 05 Apr 2026 - 15:45

score 2k · Answer 2 · 2026-04-09 04:50:57

2k

Views

Provide a bijection between power set of natural numbers and the Cantor set in $[0,1]$

Published on 09 Apr 2026 - 4:50

score 125 · Answer 3 · 2026-04-08 21:32:32

125

Views

Find local extrema $f(x_1,x_2, \ldots , x_n) = \sqrt{(x_1+x_2+\ldots x_n-a)(a-x_1)(a-x_2)\cdots (a-x_n)}$

Published on 08 Apr 2026 - 21:32

score 126 · Answer 4 · 2026-04-10 01:11:04

126

Views

Find a sequence converging in distribution but not weakly

Published on 10 Apr 2026 - 1:11

score 1.1k · Answer 5 · 2018-01-17 13:35:21

1.1k

Views

Proof Verification: There exist a real number $\alpha$ such that $\alpha^2 =2$

Published on 17 Jan 2018 - 13:35

score 182 · Answer 6 · 2026-03-25 01:17:39

182

Views

If a continuous function is bigger than another at a point, then it is so in an entire neighbourhood...proof?

Published on 25 Mar 2026 - 1:17

score 399 · Answer 7 · 2026-04-10 08:25:32

399

Views

Prove that $(a_n)$ is eventually constant

Published on 10 Apr 2026 - 8:25

score 274 · Answer 8 · 2026-04-10 14:09:14

274

Views

Natural log integral inequality

Published on 10 Apr 2026 - 14:09

score 75 · Answer 9 · 2026-04-09 00:26:54

75

Views

Non-logarithmic bijective function from $\mathbb{R}^+$ into $\mathbb{R}$

Published on 09 Apr 2026 - 0:26

score 315 · Answer 10 · 2026-04-09 01:58:39

315

Views

Should one prove all Dedekind-complete ordered fields are isomorphic before using the real numbers in any formal matter?

Published on 09 Apr 2026 - 1:58

score 175 · Answer 11 · 2026-03-31 05:24:04

175

Views

How to compute $\lim\limits_{n\to\infty}\int_0^\pi \frac{\sin x}{1+3\cos^2(nx)}\text dx$

Published on 31 Mar 2026 - 5:24

score 142 · Answer 12 · 2026-04-09 00:30:03

142

Views

Computing $\int_0^\pi \frac{dx}{1+a^2\cos^2(x)}$

Published on 09 Apr 2026 - 0:30

score 106 · Answer 13 · 2026-04-10 04:41:52

106

Views

Limit of $\lim_{x \rightarrow 0^+} e^{\frac{x}{x}}$

Published on 10 Apr 2026 - 4:41

score 5.9k · Answer 14 · 2026-03-31 11:26:48

5.9k

Views

Prove subgaussian norm of sugaurssian random variables is a norm

Published on 31 Mar 2026 - 11:26

score 279 · Answer 15 · 2026-04-10 21:37:49

279

Views

Spivak: Calculation of $\lim\limits_{n\to \infty }na_n $ when $\sum\limits_{n=1}^\infty a_n$ converges

Published on 10 Apr 2026 - 21:37

List Question

Is the integrand integrable?

Provide a bijection between power set of natural numbers and the Cantor set in $[0,1]$

Find local extrema $f(x_1,x_2, \ldots , x_n) = \sqrt{(x_1+x_2+\ldots x_n-a)(a-x_1)(a-x_2)\cdots (a-x_n)}$

Find a sequence converging in distribution but not weakly

Proof Verification: There exist a real number $\alpha$ such that $\alpha^2 =2$

If a continuous function is bigger than another at a point, then it is so in an entire neighbourhood...proof?

Prove that $(a_n)$ is eventually constant

Natural log integral inequality

Non-logarithmic bijective function from $\mathbb{R}^+$ into $\mathbb{R}$

Should one prove all Dedekind-complete ordered fields are isomorphic before using the real numbers in any formal matter?

How to compute $\lim\limits_{n\to\infty}\int_0^\pi \frac{\sin x}{1+3\cos^2(nx)}\text dx$

Computing $\int_0^\pi \frac{dx}{1+a^2\cos^2(x)}$

Limit of $\lim_{x \rightarrow 0^+} e^{\frac{x}{x}}$

Prove subgaussian norm of sugaurssian random variables is a norm

Spivak: Calculation of $\lim\limits_{n\to \infty }na_n $ when $\sum\limits_{n=1}^\infty a_n$ converges

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