List questions from multinomial-theorem

Published on 14 Sep 2021 - 14:18

116

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Issues understanding the multinomial theorem and its multiindex notation

Published on 28 Sep 2021 - 22:23

225

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Find the $x^n$ coefficient of $(1+x+x^2)^n$

Published on 01 Oct 2021 - 15:37

75

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An equivalent formula for $\sum_{1\le i_1\lt i_2 \dots \lt i_n\le n} a_{i_1} a_{i_2} \dots a_{i_n}$

Published on 07 Apr 2022 - 13:15

120

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Find the Coefficient of $x^8$ by Multinomial Theorem Expansion for $(1+x^2-x^3)^9$

Published on 08 Apr 2022 - 14:04

78

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Multinomial theorem with multivariate terms?

Published on 30 May 2022 - 2:31

83

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Coefficient problem using multinomial theorem

Published on 27 Jun 2022 - 7:17

199

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Constrained multinomial theorem removing terms from sum

Published on 16 Aug 2022 - 14:21

141

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I have the sequence: $1, 4, 10, 16, 19, 16, 10, 4, 1$. What is the formula to get the $i^{th}$ term of the sequence for $i=1,2,\dots,9$

Published on 14 Sep 2022 - 3:34

331

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Calculating Coefficients of an N Degree Polynomial raised to an Arbitrary Power

Published on 20 Sep 2022 - 23:36

43

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I need help extending the Multinomial Theorem to Polynomials

Published on 09 Oct 2022 - 2:29

175

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Alternate multinomial theorem for $\frac{d^n}{dx^n}\prod\limits_{k=1}^m f_k(x)$ without $\sum\limits_{k_1+\dots+k_m=n}$ nor Kronecker delta.

Published on 25 Mar 2026 - 17:42

172

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Multinomial identity

Published on 30 Oct 2022 - 9:58

354

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How many collected terms are in the expansion of $(x+y+z)^{10} (w+x+y+z)^2$?

Published on 17 Nov 2022 - 1:25

55

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Multinomial theorem and differential of a function.

Published on 26 Dec 2022 - 21:32

List Question

Number of terms in product of two monomials with common terms

Issues understanding the multinomial theorem and its multiindex notation

Find the $x^n$ coefficient of $(1+x+x^2)^n$

An equivalent formula for $\sum_{1\le i_1\lt i_2 \dots \lt i_n\le n} a_{i_1} a_{i_2} \dots a_{i_n}$

Find the Coefficient of $x^8$ by Multinomial Theorem Expansion for $(1+x^2-x^3)^9$

Multinomial theorem with multivariate terms?

Coefficient problem using multinomial theorem

Constrained multinomial theorem removing terms from sum

I have the sequence: $1, 4, 10, 16, 19, 16, 10, 4, 1$. What is the formula to get the $i^{th}$ term of the sequence for $i=1,2,\dots,9$

Calculating Coefficients of an N Degree Polynomial raised to an Arbitrary Power

I need help extending the Multinomial Theorem to Polynomials

Alternate multinomial theorem for $\frac{d^n}{dx^n}\prod\limits_{k=1}^m f_k(x)$ without $\sum\limits_{k_1+\dots+k_m=n}$ nor Kronecker delta.

Multinomial identity

How many collected terms are in the expansion of $(x+y+z)^{10} (w+x+y+z)^2$?

Multinomial theorem and differential of a function.

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