List questions from multinomial-theorem

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A proof on multinomial roots

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Using Bayes' with a Multinomial Distribution

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Expansion of the cube of the sum of N numbers

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Sum of coefficients in multinomial expansion

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Weighted sum of product of binomial coefficients

Published on 29 Nov 2018 - 5:48

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Why can’t we use multinomial theorem here?

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Finding sum multinomial

Published on 21 Mar 2026 - 22:30

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Trinomial expansion with power constraints

Published on 22 Mar 2026 - 13:47

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How to prove $\sum_{\alpha_1=0}^k \sum_{|\alpha|=k} \dfrac{k!}{\alpha!} a^\alpha = \sum_{|\alpha|=k} \dfrac{k!}{\alpha!} a^\alpha$

Published on 23 Mar 2026 - 20:11

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Evaluating a sum involving multinomial coefficient

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Simplifying summation of binomials

Published on 22 Mar 2026 - 8:41

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Sum of dependent Binomial distributions

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Multinational Coefficient Difficulty

Published on 24 Mar 2026 - 3:54

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if in the expansion of $(1+x)^m (1-x)^n$, the coefficients of $x$ and $x^2$ are $3$ and $-6$. Find value of $m$ and $n$.

Published on 12 May 2019 - 2:24

List Question

Expectation of the norm of a Gaussian vector raised to a power

A proof on multinomial roots

Using Bayes' with a Multinomial Distribution

Expansion of the cube of the sum of N numbers

Sum of coefficients in multinomial expansion

Weighted sum of product of binomial coefficients

Why can’t we use multinomial theorem here?

Finding sum multinomial

Trinomial expansion with power constraints

How to prove $\sum_{\alpha_1=0}^k \sum_{|\alpha|=k} \dfrac{k!}{\alpha!} a^\alpha = \sum_{|\alpha|=k} \dfrac{k!}{\alpha!} a^\alpha$

Evaluating a sum involving multinomial coefficient

Simplifying summation of binomials

Sum of dependent Binomial distributions

Multinational Coefficient Difficulty

if in the expansion of $(1+x)^m (1-x)^n$, the coefficients of $x$ and $x^2$ are $3$ and $-6$. Find value of $m$ and $n$.

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