Question

Finding Laurent Series using Binomial Theorem - HOW?

score 642 · Answer 1 · 2026-03-24 23:58:58

642

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Finding Laurent Series using Binomial Theorem - HOW?

Published on 24 Mar 2026 - 23:58

score 626 · Answer 2 · 2018-12-25 10:00:44

626

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Why can't x be 1 in the binomial expansion for any index?

Published on 25 Dec 2018 - 10:00

score 482 · Answer 3 · 2018-12-25 21:11:49

482

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Prove that $n^{n-1} - 1$ is divisible by $(n-1)^2$

Published on 25 Dec 2018 - 21:11

score 116 · Answer 4 · 2018-12-27 01:51:35

116

Views

Evaluate:$S_{n}=\binom{n}{0}-\binom{n-1}{1}+\binom{n-2}{n-3}-\binom{n-3}{n-6}+.......$

Published on 27 Dec 2018 - 1:51

score 81 · Answer 5 · 2018-12-27 11:57:01

81

Views

Evaluate a binomial-like sum

Published on 27 Dec 2018 - 11:57

score 361 · Answer 6 · 2018-12-30 00:36:06

361

Views

Trying to parse a Putnam solution from 1995

Published on 30 Dec 2018 - 0:36

score 373 · Answer 7 · 2018-12-30 01:15:26

373

Views

A.M of smallest elements of $r$ subsets of set 1,2,3,...,n

Published on 30 Dec 2018 - 1:15

score 69 · Answer 8 · 2019-01-02 11:28:53

69

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How to find all $x \in \mathbb{Q}$ and $r \in \mathbb{Q}$ such that $(1+x)^r$ becomes a rational number?

Published on 02 Jan 2019 - 11:28

score 92 · Answer 9 · 2019-01-02 13:23:38

92

Views

Using the binomial expansion to show $\sum_{k=0}^n {n \choose k} \frac{1}{2^k} = (3/2)^n$

Published on 02 Jan 2019 - 13:23

score 954 · Answer 10 · 2019-01-07 14:52:28

954

Views

Calculating number of times a given element appears in powerset subsets of a particular size.

Published on 07 Jan 2019 - 14:52

score 41 · Answer 11 · 2019-01-07 16:15:06

41

Views

How can I calculate how many times a given subset of (finite) X will appear in the set of subsets of X of a particular size?

Published on 07 Jan 2019 - 16:15

score 62 · Answer 12 · 2019-01-10 12:14:44

62

Views

A question on binomial theorem

Published on 10 Jan 2019 - 12:14

score 517 · Answer 13 · 2019-01-10 14:47:39

517

Views

Maximum coefficient in the expansion of $(5+3x)^{10}$

Published on 10 Jan 2019 - 14:47

score 501 · Answer 14 · 2019-01-10 16:58:37

501

Views

The number of distinct terms in a trinomial expansion

Published on 10 Jan 2019 - 16:58

score 43 · Answer 15 · 2019-01-12 07:18:20

43

Views

A query in binomial th. Based question

Published on 12 Jan 2019 - 7:18

List Question

Finding Laurent Series using Binomial Theorem - HOW?

Why can't x be 1 in the binomial expansion for any index?

Prove that $n^{n-1} - 1$ is divisible by $(n-1)^2$

Evaluate:$S_{n}=\binom{n}{0}-\binom{n-1}{1}+\binom{n-2}{n-3}-\binom{n-3}{n-6}+.......$

Evaluate a binomial-like sum

Trying to parse a Putnam solution from 1995

A.M of smallest elements of $r$ subsets of set 1,2,3,...,n

How to find all $x \in \mathbb{Q}$ and $r \in \mathbb{Q}$ such that $(1+x)^r$ becomes a rational number?

Using the binomial expansion to show $\sum_{k=0}^n {n \choose k} \frac{1}{2^k} = (3/2)^n$

Calculating number of times a given element appears in powerset subsets of a particular size.

How can I calculate how many times a given subset of (finite) X will appear in the set of subsets of X of a particular size?

A question on binomial theorem

Maximum coefficient in the expansion of $(5+3x)^{10}$

The number of distinct terms in a trinomial expansion

A query in binomial th. Based question

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