Question

How to solve this complex integral$ \int \mathbb{z}\sqrt{2\mathbb{z} + 5}\space dz$

score 118 · Answer 1 · 2026-04-10 03:57:58

118

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How to solve this complex integral$ \int \mathbb{z}\sqrt{2\mathbb{z} + 5}\space dz$

Published on 10 Apr 2026 - 3:57

score 90 · Answer 2 · 2026-04-16 15:09:05

90

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Prove that the first return time is finite a.s. for a Markov chain

Published on 16 Apr 2026 - 15:09

score 71 · Answer 3 · 2026-04-12 20:18:10

71

Views

Isomorphism between two structures

Published on 12 Apr 2026 - 20:18

score 119 · Answer 4 · 2026-04-08 04:47:44

119

Views

Question about proof that every bounded subset of the integers has a largest element

Published on 08 Apr 2026 - 4:47

score 59 · Answer 5 · 2026-04-11 16:04:32

59

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Convergence of a "shuffled" sequence

Published on 11 Apr 2026 - 16:04

score 58 · Answer 6 · 2026-04-16 04:02:42

58

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Limit of the sequence $1/(z_n - z_0)$ given that $z_n$ converges to $z_0$

Published on 16 Apr 2026 - 4:02

score 124 · Answer 7 · 2026-04-14 17:29:07

124

Views

Prove that $\forall z \in(0,1)$, $\frac{z+1}{2}>z$

Published on 14 Apr 2026 - 17:29

score 57 · Answer 8 · 2026-04-12 18:58:04

57

Views

Finding a recursive formula for $r$ permute $n$

Published on 12 Apr 2026 - 18:58

score 49 · Answer 9 · 2026-04-15 01:19:05

49

Views

Permutations Quotiented by Group Actions on Finite Sets

Published on 15 Apr 2026 - 1:19

score 89 · Answer 10 · 2026-05-16 06:27:34

89

Views

Prove check: $\sqrt{2}+\sqrt{3}+\sqrt{5}$ is irrational using field extension

Published on 16 May 2026 - 6:27

score 54 · Answer 11 · 2026-04-12 02:42:07

54

Views

If a sequence is bounded and does not converge, it has two different convergent subsequences

Published on 12 Apr 2026 - 2:42

score 39 · Answer 12 · 2026-04-14 21:17:32

39

Views

Searching for odd divisors of $n$ using the form $2x^2 + y^2 + z^2$ where $y^2+z^2 = p$ is prime

Published on 14 Apr 2026 - 21:17

score 101 · Answer 13 · 2026-04-16 15:53:37

101

Views

Sum of all 4 digit numbers formed using 6 numbers

Published on 16 Apr 2026 - 15:53

score 79 · Answer 14 · 2026-05-16 22:29:43

79

Views

The space $L^p_{\text{loc}} (\mathbb R^d)$ is complete w.r.t. the norm $\|f\|_{\tilde L^p} := \sup_{x \in \mathbb R^d} \|1_{B(x, 1)} f\|_{L^p}$

Published on 16 May 2026 - 22:29

score 69 · Answer 15 · 2026-04-11 13:31:36

69

Views

Solution verification on a Borel Cantelli Exercise

Published on 11 Apr 2026 - 13:31

List Question

How to solve this complex integral$ \int \mathbb{z}\sqrt{2\mathbb{z} + 5}\space dz$

Prove that the first return time is finite a.s. for a Markov chain

Isomorphism between two structures

Question about proof that every bounded subset of the integers has a largest element

Convergence of a "shuffled" sequence

Limit of the sequence $1/(z_n - z_0)$ given that $z_n$ converges to $z_0$

Prove that $\forall z \in(0,1)$, $\frac{z+1}{2}>z$

Finding a recursive formula for $r$ permute $n$

Permutations Quotiented by Group Actions on Finite Sets

Prove check: $\sqrt{2}+\sqrt{3}+\sqrt{5}$ is irrational using field extension

If a sequence is bounded and does not converge, it has two different convergent subsequences

Searching for odd divisors of $n$ using the form $2x^2 + y^2 + z^2$ where $y^2+z^2 = p$ is prime

Sum of all 4 digit numbers formed using 6 numbers

The space $L^p_{\text{loc}} (\mathbb R^d)$ is complete w.r.t. the norm $\|f\|_{\tilde L^p} := \sup_{x \in \mathbb R^d} \|1_{B(x, 1)} f\|_{L^p}$

Solution verification on a Borel Cantelli Exercise

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