Question

In a given nonnegative set of numbers, how many elements are less than the h-index?

score 37 · Answer 1 · 2026-04-12 01:44:06

37

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In a given nonnegative set of numbers, how many elements are less than the h-index?

Published on 12 Apr 2026 - 1:44

score 127 · Answer 2 · 2016-11-21 22:13:40

127

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Prove that $(1007!)^2 > \binom{2015}{1007}^2$

Published on 21 Nov 2016 - 22:13

score 76 · Answer 3 · 2026-03-31 07:57:45

76

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Factorial equality $\ \frac{1\cdot3\cdot5\cdots(2k-1)}{2^k2!}$ $\ = \frac{(2k)!}{2^k2^kk!k!}$

Published on 31 Mar 2026 - 7:57

score 188 · Answer 4 · 2026-04-02 19:53:17

188

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What is the probability that $2$ of $4$ captured elk have been tagged?

Published on 02 Apr 2026 - 19:53

score 43 · Answer 5 · 2016-11-23 01:24:48

43

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subtracting these two coefficients

Published on 23 Nov 2016 - 1:24

score 4.8k · Answer 6 · 2016-11-23 09:32:22

4.8k

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find n, if the coefficient of $x^2$ in $(3 + 2x)^n$ is 20412.

Published on 23 Nov 2016 - 9:32

score 157 · Answer 7 · 2026-04-10 09:53:19

157

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Identity for sum of squares of reciprocals of binomial numbers

Published on 10 Apr 2026 - 9:53

score 126 · Answer 8 · 2016-11-23 20:12:37

126

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Compute $\sum\limits_{k=0}^n\left(-1\right)^k\binom{2n-k}k$

Published on 23 Nov 2016 - 20:12

score 226 · Answer 9 · 2026-04-12 03:41:26

226

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Solving a system of linear equations with binomial coefficients

Published on 12 Apr 2026 - 3:41

score 150 · Answer 10 · 2026-03-31 16:51:29

150

Views

Solve following summation using Binomial theorem

Published on 31 Mar 2026 - 16:51

score 205 · Answer 11 · 2016-11-24 15:40:01

205

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Alternating Lacunary Sum of Binomial Coefficients $\sum_{j=0}^{n} \binom{n}{dj}(-1)^j$

Published on 24 Nov 2016 - 15:40

score 81 · Answer 12 · 2026-04-12 21:27:28

81

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Proving an binomial identity with elementary means

Published on 12 Apr 2026 - 21:27

score 56 · Answer 13 · 2016-11-25 12:17:18

56

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Group of exponential sequences

Published on 25 Nov 2016 - 12:17

score 4.4k · Answer 14 · 2026-03-31 20:10:30

4.4k

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A deck of cards is dealt out. What is the probability that the first ace occurs on the 14th card?

Published on 31 Mar 2026 - 20:10

score 496 · Answer 15 · 2026-03-26 06:30:13

496

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Why should be accept this ${\displaystyle {n \choose k}}=0 $ for $k> n$?

Published on 26 Mar 2026 - 6:30

List Question

In a given nonnegative set of numbers, how many elements are less than the h-index?

Prove that $(1007!)^2 > \binom{2015}{1007}^2$

Factorial equality $\ \frac{1\cdot3\cdot5\cdots(2k-1)}{2^k2!}$ $\ = \frac{(2k)!}{2^k2^kk!k!}$

What is the probability that $2$ of $4$ captured elk have been tagged?

subtracting these two coefficients

find n, if the coefficient of $x^2$ in $(3 + 2x)^n$ is 20412.

Identity for sum of squares of reciprocals of binomial numbers

Compute $\sum\limits_{k=0}^n\left(-1\right)^k\binom{2n-k}k$

Solving a system of linear equations with binomial coefficients

Solve following summation using Binomial theorem

Alternating Lacunary Sum of Binomial Coefficients $\sum_{j=0}^{n} \binom{n}{dj}(-1)^j$

Proving an binomial identity with elementary means

Group of exponential sequences

A deck of cards is dealt out. What is the probability that the first ace occurs on the 14th card?

Why should be accept this ${\displaystyle {n \choose k}}=0 $ for $k> n$?

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