Question

Finding a particular coefficient in a polynomial

score 120 · Answer 1 · 2026-03-27 12:01:04

120

Views

Finding a particular coefficient in a polynomial

Published on 27 Mar 2026 - 12:01

score 46 · Answer 2 · 2018-09-28 10:05:01

46

Views

How to mathematically prove: $\sum_{x = r}^{n} C(x , r) = C(n+1 , r+1)$.

Published on 28 Sep 2018 - 10:05

score 65 · Answer 3 · 2018-09-28 18:48:09

65

Views

Polynomial coefficients for $\prod\limits_{i=1}^{n - 1}\frac{N-i}{N}$

Published on 28 Sep 2018 - 18:48

score 96 · Answer 4 · 2018-09-28 19:16:43

96

Views

Are there combinatorial identities for the sum of "equal step sampled binomial coefficients"?

Published on 28 Sep 2018 - 19:16

score 129 · Answer 5 · 2018-09-29 16:53:56

129

Views

An application of this binomical identity $ \binom{n}{k}=\binom{n-1}{k}+\binom{n-1}{k-1} $

Published on 29 Sep 2018 - 16:53

score 415 · Answer 6 · 2018-10-01 17:17:03

415

Views

Probability of getting full house in five-card poker when cards in suite is missing

Published on 01 Oct 2018 - 17:17

score 330 · Answer 7 · 2018-10-02 09:05:14

330

Views

Simplifying $\frac{^nC_{1}}{1 \times 2}-\frac{^nC_{2}}{2 \times 3}+..+(-1)^{n+1}\frac{^nC_{n}}{n \times (n+1)}$

Published on 02 Oct 2018 - 9:05

score 53 · Answer 8 · 2018-10-02 13:48:10

53

Views

Calculating Pascal's Triangle N-th row - why does this work?

Published on 02 Oct 2018 - 13:48

score 58 · Answer 9 · 2018-10-02 16:55:38

58

Views

Finding the sum of Binomial Coefficients

Published on 02 Oct 2018 - 16:55

score 579 · Answer 10 · 2026-03-26 01:02:00

579

Views

Calculate probability using inclusion-exclusion and deduce formula for binomial coefficicient

Published on 26 Mar 2026 - 1:02

score 178 · Answer 11 · 2026-03-25 04:40:21

178

Views

Determinants of products of binary matrices and binomial coefficients

Published on 25 Mar 2026 - 4:40

score 116 · Answer 12 · 2018-10-06 01:31:16

116

Views

Evaluating a Binomial Coefficient Limit: $\lim_{n\to\infty} 2^{-2n} \binom{2n}{n}$.

Published on 06 Oct 2018 - 1:31

score 75 · Answer 13 · 2018-10-06 15:04:42

75

Views

Why does $(x+y)^p=x^p+y^p$ over $\mathbb{Z_2}$?

Published on 06 Oct 2018 - 15:04

score 1.4k · Answer 14 · 2026-03-26 22:14:05

1.4k

Views

How to prove divisibility of a number using the binomial expansion?

Published on 26 Mar 2026 - 22:14

score 79 · Answer 15 · 2018-10-06 18:26:20

79

Views

Prove $\binom{n}{2}+\binom{n}{3}\cdot7+\binom{n}{4}\cdot7^2+....+7^{n-2}\in \mathbb{Z}$ for all $n\geq 2$

Published on 06 Oct 2018 - 18:26

List Question

Finding a particular coefficient in a polynomial

How to mathematically prove: $\sum_{x = r}^{n} C(x , r) = C(n+1 , r+1)$.

Polynomial coefficients for $\prod\limits_{i=1}^{n - 1}\frac{N-i}{N}$

Are there combinatorial identities for the sum of "equal step sampled binomial coefficients"?

An application of this binomical identity $ \binom{n}{k}=\binom{n-1}{k}+\binom{n-1}{k-1} $

Probability of getting full house in five-card poker when cards in suite is missing

Simplifying $\frac{^nC_{1}}{1 \times 2}-\frac{^nC_{2}}{2 \times 3}+..+(-1)^{n+1}\frac{^nC_{n}}{n \times (n+1)}$

Calculating Pascal's Triangle N-th row - why does this work?

Finding the sum of Binomial Coefficients

Calculate probability using inclusion-exclusion and deduce formula for binomial coefficicient

Determinants of products of binary matrices and binomial coefficients

Evaluating a Binomial Coefficient Limit: $\lim_{n\to\infty} 2^{-2n} \binom{2n}{n}$.

Why does $(x+y)^p=x^p+y^p$ over $\mathbb{Z_2}$?

How to prove divisibility of a number using the binomial expansion?

Prove $\binom{n}{2}+\binom{n}{3}\cdot7+\binom{n}{4}\cdot7^2+....+7^{n-2}\in \mathbb{Z}$ for all $n\geq 2$

Trending Questions

Popular # Hahtags

Popular Questions