Question

Probability that N i.i.d. draws from a multinomial distribution have made all events appear

score 89 · Answer 1 · 2026-04-13 21:22:25

89

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Probability that N i.i.d. draws from a multinomial distribution have made all events appear

Published on 13 Apr 2026 - 21:22

score 42 · Answer 2 · 2026-04-13 00:50:53

42

Views

How can triple integral of $x+y+z$ with boundary an offcentered sphere can be reduced to the sum of centerpoints times the volume of the spere

Published on 13 Apr 2026 - 0:50

score 112 · Answer 3 · 2026-04-17 17:44:59

112

Views

Solving a system of equations $( \frac{x^2}{2}-5x+50) ( \frac{y^2}{2}-5y+50 ) = 674^2;\;\;x+y=10$

Published on 17 Apr 2026 - 17:44

score 73 · Answer 4 · 2026-04-15 07:46:25

73

Views

Consider $\frac{abc-defc+fagh-iafg}{6}=337$ ($abc$ means $100a+10b+c.$ Find the maximum value of $iafg.$

Published on 15 Apr 2026 - 7:46

score 76 · Answer 5 · 2026-04-12 03:55:59

76

Views

The first $0$ in a base $b$ expansion

Published on 12 Apr 2026 - 3:55

score 56 · Answer 6 · 2026-04-15 07:15:29

56

Views

Minimum number of steps to determine the following function

Published on 15 Apr 2026 - 7:15

score 80 · Answer 7 · 2026-04-12 06:01:33

80

Views

How many patterns could $n$ connected bricks form?

Published on 12 Apr 2026 - 6:01

score 151 · Answer 8 · 2026-04-15 12:18:31

151

Views

Product of Sum of Digits

Published on 15 Apr 2026 - 12:18

score 1.1k · Answer 9 · 2026-04-16 07:37:03

1.1k

Views

Find the least positive integer $n$ such that $S(n)S(n + 2) = 2022$, where $S(n)$ is the sum of the digits of $n$.

Published on 16 Apr 2026 - 7:37

score 188 · Answer 10 · 2026-04-15 00:08:30

188

Views

Do rearrangements of $\mathbb{N}$ necessarily have fixed points with respect to placement distance?

Published on 15 Apr 2026 - 0:08

score 37 · Answer 11 · 2026-04-09 06:43:29

37

Views

Digitsum-based sequences

Published on 09 Apr 2026 - 6:43

score 34 · Answer 12 · 2026-04-14 06:10:07

34

Views

Simplifying a ratio of "two-sided incomplete Beta functions"

Published on 14 Apr 2026 - 6:10

score 102 · Answer 13 · 2026-05-05 22:27:14

102

Views

Simplifying a ratio of incomplete beta functions

Published on 05 May 2026 - 22:27

score 105 · Answer 14 · 2026-04-12 13:18:47

105

Views

What is wrong in my derivation? Simple integrals.

Published on 12 Apr 2026 - 13:18

score 89 · Answer 15 · 2026-04-17 04:01:18

89

Views

Solving for $\cos(\frac{\pi}{x}) = \frac{x - 2}{x + 2}$

Published on 17 Apr 2026 - 4:01

List Question

Probability that N i.i.d. draws from a multinomial distribution have made all events appear

How can triple integral of $x+y+z$ with boundary an offcentered sphere can be reduced to the sum of centerpoints times the volume of the spere

Solving a system of equations $( \frac{x^2}{2}-5x+50) ( \frac{y^2}{2}-5y+50 ) = 674^2;\;\;x+y=10$

Consider $\frac{abc-defc+fagh-iafg}{6}=337$ ($abc$ means $100a+10b+c.$ Find the maximum value of $iafg.$

The first $0$ in a base $b$ expansion

Minimum number of steps to determine the following function

How many patterns could $n$ connected bricks form?

Product of Sum of Digits

Find the least positive integer $n$ such that $S(n)S(n + 2) = 2022$, where $S(n)$ is the sum of the digits of $n$.

Do rearrangements of $\mathbb{N}$ necessarily have fixed points with respect to placement distance?

Digitsum-based sequences

Simplifying a ratio of "two-sided incomplete Beta functions"

Simplifying a ratio of incomplete beta functions

What is wrong in my derivation? Simple integrals.

Solving for $\cos(\frac{\pi}{x}) = \frac{x - 2}{x + 2}$

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