Question

The coefficient of $x^n$ in the expansion of $\frac{2-3x}{1-3x+2x^2}$ is?

score 294 · Answer 1 · 2026-05-10 19:55:37

294

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The coefficient of $x^n$ in the expansion of $\frac{2-3x}{1-3x+2x^2}$ is?

Published on 10 May 2026 - 19:55

score 65 · Answer 2 · 2026-04-11 15:54:49

65

Views

Coefficient problem in algebra

Published on 11 Apr 2026 - 15:54

score 167 · Answer 3 · 2026-04-14 05:47:09

167

Views

High degree polynomial with complex roots only (no real roots)

Published on 14 Apr 2026 - 5:47

score 591 · Answer 4 · 2026-04-13 19:28:08

591

Views

General square form of Taylor expansion polynomial

Published on 13 Apr 2026 - 19:28

score 42 · Answer 5 · 2026-04-13 17:41:11

42

Views

Given $\mathbf{y}=\mathbf{Ax}$, is there a simple way to express $\prod y_i^{k_i}$ as a function of $\mathbf{A}$ and $\mathbf{x}$ elements?

Published on 13 Apr 2026 - 17:41

score 735 · Answer 6 · 2026-03-25 07:53:26

735

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coefficient of $x^{29}$ in the expansion of $(1+x^5+x^7+x^9)^{1000}$

Published on 25 Mar 2026 - 7:53

score 1.9k · Answer 7 · 2026-04-22 10:13:57

1.9k

Views

How to find number of distinct terms in a multinomial expansion?

Published on 22 Apr 2026 - 10:13

score 46 · Answer 8 · 2026-04-24 16:39:08

46

Views

Is it possible to derive generalization for this?

Published on 24 Apr 2026 - 16:39

score 262 · Answer 9 · 2026-04-21 20:05:57

262

Views

Find the coefficient of $x^9$ in the expansion of $(1+9x+27x^2+27x^3)^6$

Published on 21 Apr 2026 - 20:05

score 688 · Answer 10 · 2026-04-09 06:08:19

688

Views

In how many ways can 10 blankets be given to 3 beggars such that each recieves at least one blanket?

Published on 09 Apr 2026 - 6:08

score 122 · Answer 11 · 2019-10-08 22:48:35

122

Views

Given $N$ light switches ,do total $P$ flips such that $Q$ are lit at the end. Find the number of ways to do this.

Published on 08 Oct 2019 - 22:48

score 33 · Answer 12 · 2026-04-13 16:44:09

33

Views

Combinatorics question regarding solving using multinomial theorem

Published on 13 Apr 2026 - 16:44

score 166 · Answer 13 · 2026-04-12 09:32:42

166

Views

Multinomial theorem for derivative of product of many functions

Published on 12 Apr 2026 - 9:32

score 263 · Answer 14 · 2026-03-27 06:52:01

263

Views

Understanding Multinomial distribution

Published on 27 Mar 2026 - 6:52

score 51 · Answer 15 · 2026-03-25 07:53:26

51

Views

In how many ways can two disjoint groups of 8 and 7 persons be made from 50 people?

Published on 25 Mar 2026 - 7:53

List Question

The coefficient of $x^n$ in the expansion of $\frac{2-3x}{1-3x+2x^2}$ is?

Coefficient problem in algebra

High degree polynomial with complex roots only (no real roots)

General square form of Taylor expansion polynomial

Given $\mathbf{y}=\mathbf{Ax}$, is there a simple way to express $\prod y_i^{k_i}$ as a function of $\mathbf{A}$ and $\mathbf{x}$ elements?

coefficient of $x^{29}$ in the expansion of $(1+x^5+x^7+x^9)^{1000}$

How to find number of distinct terms in a multinomial expansion?

Is it possible to derive generalization for this?

Find the coefficient of $x^9$ in the expansion of $(1+9x+27x^2+27x^3)^6$

In how many ways can 10 blankets be given to 3 beggars such that each recieves at least one blanket?

Given $N$ light switches ,do total $P$ flips such that $Q$ are lit at the end. Find the number of ways to do this.

Combinatorics question regarding solving using multinomial theorem

Multinomial theorem for derivative of product of many functions

Understanding Multinomial distribution

In how many ways can two disjoint groups of 8 and 7 persons be made from 50 people?

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