Question

Given an abundant amount of money, how many times can you cover earth in coins?

score 47 · Answer 1 · 2026-05-11 08:41:06

47

Views

Given an abundant amount of money, how many times can you cover earth in coins?

Published on 11 May 2026 - 8:41

score 55 · Answer 2 · 2026-04-16 02:48:22

55

Views

For any integer n⩾1, how do you show that $\sum_{k=1}^{n} \frac{2^k}{\sqrt{k+0.5}}\leqslant2^{n+1}\sqrt{n+1}-\frac{4n^{\frac{3}{2}}}{3}$

Published on 16 Apr 2026 - 2:48

score 175 · Answer 3 · 2026-04-16 11:57:09

175

Views

Find $\sum_{k=1}^{14} \frac{1}{\left(\omega^{k}-1\right)^{3}}$

Published on 16 Apr 2026 - 11:57

score 72 · Answer 4 · 2026-04-16 19:45:27

72

Views

Calculate $\frac{d^{100}}{dx^{100}}(\frac{1+x}{\sqrt{1-x}})$

Published on 16 Apr 2026 - 19:45

score 60 · Answer 5 · 2026-04-17 02:01:16

60

Views

Is it true that $\lim_{n\to \infty}\sum_{i=1}^{n}\frac{1}{\sqrt{i}} - 2\sqrt{n} = 0$?

Published on 17 Apr 2026 - 2:01

score 63 · Answer 6 · 2026-04-09 10:04:56

63

Views

Combination Identity Question

Published on 09 Apr 2026 - 10:04

score 51 · Answer 7 · 2026-04-14 01:59:38

51

Views

Simplifying expression in summation notation

Published on 14 Apr 2026 - 1:59

score 153 · Answer 8 · 2026-04-14 17:42:08

153

Views

How do I show that $\sum_{\text{cyc}}\frac{3a^2-2ab+3b^2}{(a+b)^2} < \frac{9}{4}(\frac{a}{c} + \frac{c}{a}) - \frac{3}{2}$?

Published on 14 Apr 2026 - 17:42

score 166 · Answer 9 · 2026-03-25 11:08:42

166

Views

Approximation with error term / bounds for double summation

Published on 25 Mar 2026 - 11:08

score 29 · Answer 10 · 2026-04-09 16:52:20

29

Views

the probability function of a random vector

Published on 09 Apr 2026 - 16:52

score 2.1k · Answer 11 · 2026-04-15 13:53:26

2.1k

Views

Decimals in sigma notation

Published on 15 Apr 2026 - 13:53

score 95 · Answer 12 · 2026-04-23 20:03:24

95

Views

Why does $\sum_{n=0}^{\infty}{\frac{1}{n \cdot 2^n}} = \ln 2$?

Published on 23 Apr 2026 - 20:03

score 96 · Answer 13 · 2026-03-25 16:13:59

96

Views

How to solve $\sum _{n=0}^{\infty }\:\frac{n^a}{n!}$ for any $a \geq 1$ in general?

Published on 25 Mar 2026 - 16:13

score 41 · Answer 14 · 2026-04-15 16:51:12

Determine a continous function $f : [0,1] \rightarrow \mathbb{R}$ such that for all n $c_n \leq \int_{1/n}^1 f(x) dx \leq b_n$

score 200 · Answer 15 · 2026-04-16 10:54:17

200

Views

Find the value of $\sum _{n=1}^{\infty }\:\frac{a}{n\left(n+a\right)}$

Published on 16 Apr 2026 - 10:54

List Question

Given an abundant amount of money, how many times can you cover earth in coins?

For any integer n⩾1, how do you show that $\sum_{k=1}^{n} \frac{2^k}{\sqrt{k+0.5}}\leqslant2^{n+1}\sqrt{n+1}-\frac{4n^{\frac{3}{2}}}{3}$

Find $\sum_{k=1}^{14} \frac{1}{\left(\omega^{k}-1\right)^{3}}$

Calculate $\frac{d^{100}}{dx^{100}}(\frac{1+x}{\sqrt{1-x}})$

Is it true that $\lim_{n\to \infty}\sum_{i=1}^{n}\frac{1}{\sqrt{i}} - 2\sqrt{n} = 0$?

Combination Identity Question

Simplifying expression in summation notation

How do I show that $\sum_{\text{cyc}}\frac{3a^2-2ab+3b^2}{(a+b)^2} < \frac{9}{4}(\frac{a}{c} + \frac{c}{a}) - \frac{3}{2}$?

Approximation with error term / bounds for double summation

the probability function of a random vector

Decimals in sigma notation

Why does $\sum_{n=0}^{\infty}{\frac{1}{n \cdot 2^n}} = \ln 2$?

How to solve $\sum _{n=0}^{\infty }\:\frac{n^a}{n!}$ for any $a \geq 1$ in general?

Determine a continous function $f : [0,1] \rightarrow \mathbb{R}$ such that for all n $c_n \leq \int_{1/n}^1 f(x) dx \leq b_n$

Find the value of $\sum _{n=1}^{\infty }\:\frac{a}{n\left(n+a\right)}$

Trending Questions

Popular # Hahtags

Popular Questions