List questions from multinomial-coefficients

Published on 26 Mar 2026 - 17:53

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Simplifying the sum of a product of multinomial coefficients

Published on 26 Mar 2026 - 17:52

149

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Simplify a sum with a product and multinomial coefficient

Published on 26 Mar 2026 - 19:25

73

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Multinomial Theorem changed summation constrains

Published on 26 Mar 2026 - 17:51

86

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Multinomial Co-efficient Summation

Published on 26 Mar 2026 - 17:52

166

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How to show $\begin{pmatrix}1&1 \\ 1&1\end{pmatrix}^n = 2^{n-1}\begin{pmatrix}1&1 \\ 1&1\end{pmatrix}$?

Published on 26 Mar 2026 - 17:53

250

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Number of derangement on $(1, 1, 2, 2, 3, 3, 4, 4)$

Published on 23 Feb 2026 - 22:23

40

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Notation for set containing combinations of sets given by multinomial coefficient number of options.

Published on 11 May 2021 - 10:29

90

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How many terms are there containing the term $xyk^2$ in the expansion of $(2x-y+t+3z+4k)^8$

Published on 13 May 2021 - 20:01

254

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Probability that each of the players gets an ace

Published on 16 May 2021 - 19:31

103

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Is this relation already discovered?

Published on 19 May 2021 - 8:14

172

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Question from pathfinder for Olympiad mathematics 2

Published on 29 May 2021 - 16:06

118

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Question about multinomial expansion

Published on 26 Mar 2026 - 17:52

107

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A Partition of the Expansion of (1+1+...+1)^n by Multinomial Coefficients

Published on 09 Aug 2021 - 23:32

155

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Solve the summation $\sum_{n_1+n_2+n_3=n}n_1\binom{n}{n_1,n_2,n_3}$

Published on 12 Aug 2021 - 9:17

List Question

Find number of terms and coefficient of $x^5$ in $(1+x+x^2)^7$

Simplifying the sum of a product of multinomial coefficients

Simplify a sum with a product and multinomial coefficient

Multinomial Theorem changed summation constrains

Multinomial Co-efficient Summation

How to show $\begin{pmatrix}1&1 \\ 1&1\end{pmatrix}^n = 2^{n-1}\begin{pmatrix}1&1 \\ 1&1\end{pmatrix}$?

Number of derangement on $(1, 1, 2, 2, 3, 3, 4, 4)$

Notation for set containing combinations of sets given by multinomial coefficient number of options.

How many terms are there containing the term $xyk^2$ in the expansion of $(2x-y+t+3z+4k)^8$

Probability that each of the players gets an ace

Is this relation already discovered?

Question from pathfinder for Olympiad mathematics 2

Question about multinomial expansion

A Partition of the Expansion of (1+1+...+1)^n by Multinomial Coefficients

Solve the summation $\sum_{n_1+n_2+n_3=n}n_1\binom{n}{n_1,n_2,n_3}$

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