List questions from multinomial-theorem

Published on 18 Nov 2019 - 7:01

56

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A question on the multinomial expansion

Published on 23 Nov 2019 - 15:17

32

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A Conceptual doubt on Multinomial Theorem.

Published on 30 Nov 2019 - 15:20

187

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What's the coefficent of $x^{20}$ in $(x^3+x^4+x^5+...)^5$? Only hint is needed.

Published on 01 Dec 2019 - 9:27

99

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Seven letters are selected from a bag w/o replacement. What's the probability the selection contains the letters "MAT" in any order?

Published on 09 Dec 2019 - 2:48

58

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Number of ways $n$ distinct objects can be fit into $k$ distinct boxes such that every box contains at least $a$ objects and no more than $b$ objects?

Published on 12 Dec 2019 - 3:01

306

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Sum of coefficients of $x^i$ (Multinomial theorem application)

Published on 22 Dec 2019 - 4:52

63

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How to calculate $E\bigl[\|\mathbf x\|^8\bigr]$

Published on 27 Dec 2019 - 10:20

99

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Find coefficient of $x^{10}$ in $x^2(x^2-3x^3-1)^6$

Published on 03 Jan 2020 - 17:17

799

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Is there a simple explanation on the multinomial theorem?

Published on 06 Jan 2020 - 17:27

38

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Algebraic identity for summing all arrangements of n choose k terms

Published on 19 Jan 2020 - 17:19

248

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Finding the number of different terms in multinomial expansion

Published on 31 Jan 2020 - 16:08

91

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In the multinomial expansion of $(a+b+c)^5$ , why does "a" have $5 \choose 1$ positions?

Published on 05 Feb 2020 - 11:31

91

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Multinomial theorem with imposed conditions

Published on 06 Mar 2020 - 5:59

107

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Counting problem based on digital sum divisibility

Published on 11 Mar 2020 - 5:21

List Question

How many terms are there in expansion of $(x_1 +x_2+\ldots +x_r)^n$

A question on the multinomial expansion

A Conceptual doubt on Multinomial Theorem.

What's the coefficent of $x^{20}$ in $(x^3+x^4+x^5+...)^5$? Only hint is needed.

Seven letters are selected from a bag w/o replacement. What's the probability the selection contains the letters "MAT" in any order?

Number of ways $n$ distinct objects can be fit into $k$ distinct boxes such that every box contains at least $a$ objects and no more than $b$ objects?

Sum of coefficients of $x^i$ (Multinomial theorem application)

How to calculate $E\bigl[\|\mathbf x\|^8\bigr]$

Find coefficient of $x^{10}$ in $x^2(x^2-3x^3-1)^6$

Is there a simple explanation on the multinomial theorem?

Algebraic identity for summing all arrangements of n choose k terms

Finding the number of different terms in multinomial expansion

In the multinomial expansion of $(a+b+c)^5$ , why does "a" have $5 \choose 1$ positions?

Multinomial theorem with imposed conditions

Counting problem based on digital sum divisibility

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