List questions from summation

Published on 20 Mar 2026 - 0:03

107

Views

Variance inequality of identically distributed random variables

Published on 03 Feb 2018 - 15:43

76

Views

A share price grows $1+\epsilon$ times with prob. $p$ or falls $1-\epsilon$ times with prob. $1-p$ each day, what's its expected value after $n$ days?

Published on 17 Mar 2026 - 6:25

305

Views

Summing Odd Fractions to One

Published on 25 Mar 2026 - 15:11

62

Views

Limit value using serie definition

Published on 25 Mar 2026 - 6:09

70

Views

Proof $n \geq 3\hspace{0.5cm} \sum\limits_{k=1}^{n-2}{n-k\choose 2}={n\choose 3}$

Published on 25 Mar 2026 - 4:41

169

Views

How to prove that $e^k > k$?

Published on 04 Feb 2018 - 0:11

6.4k

Views

Absolute value of a summation?

Published on 24 Mar 2026 - 23:42

49

Views

How to obtain the right-hand side of the following equation?

Published on 04 Feb 2018 - 10:23

73

Views

Problem in finding the value of this limit

Published on 04 Feb 2018 - 13:05

22

Views

How did these equations go from Step 2 to Step 3?

Published on 04 Feb 2018 - 13:33

27

Views

Summation Simplication

Published on 04 Feb 2018 - 14:09

104

Views

Understanding summation formulas

Published on 22 Mar 2026 - 4:58

164

Views

Evaluate $\lim_{ n \to \infty} \sum_{r=2n+1}^{3n} \frac{n}{r^2-n^2}$

Published on 04 Feb 2018 - 18:05

66

Views

Generic formula for the power of a finite sum (aka distributive law)?

Published on 04 Feb 2018 - 19:57

List Question

A closed form for the sum $\sum_{s=0}^{n-1} e^{\frac{s(s+1)}{2}i\theta}$?

Variance inequality of identically distributed random variables

A share price grows $1+\epsilon$ times with prob. $p$ or falls $1-\epsilon$ times with prob. $1-p$ each day, what's its expected value after $n$ days?

Summing Odd Fractions to One

Limit value using serie definition

Proof $n \geq 3\hspace{0.5cm} \sum\limits_{k=1}^{n-2}{n-k\choose 2}={n\choose 3}$

How to prove that $e^k > k$?

Absolute value of a summation?

How to obtain the right-hand side of the following equation?

Problem in finding the value of this limit

How did these equations go from Step 2 to Step 3?

Summation Simplication

Understanding summation formulas

Evaluate $\lim_{ n \to \infty} \sum_{r=2n+1}^{3n} \frac{n}{r^2-n^2}$

Generic formula for the power of a finite sum (aka distributive law)?

Trending Questions

Popular # Hahtags

Popular Questions