Question

Proof for Equation with binomial coefficient

score 68 · Answer 1 · 2026-04-09 01:06:32

68

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Proof for Equation with binomial coefficient

Published on 09 Apr 2026 - 1:06

score 90 · Answer 2 · 2026-04-15 14:19:05

90

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Determine exactly $\sum\limits_{i=0}^\infty (-1)^i \frac1{3i+1}$

Published on 15 Apr 2026 - 14:19

score 824 · Answer 3 · 2026-04-15 11:29:24

824

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Proof that the sum of the reciprocals of primes diverges

Published on 15 Apr 2026 - 11:29

score 148 · Answer 4 · 2026-04-15 16:04:26

148

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Sum of $\cos\left(\frac{\pi n}N\right)\cot\left(\frac{\pi n}N\right)$

Published on 15 Apr 2026 - 16:04

score 41 · Answer 5 · 2026-04-15 14:33:06

41

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Rewriting a Derivative with Logs & Sums & a Scalar

Published on 15 Apr 2026 - 14:33

score 516 · Answer 6 · 2026-04-17 00:13:34

516

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$1 + 1/4 + 1/9 + 1/16 + .... + 1/n^2 < 2 - \frac{1}{n}$ for all $n \ge 2$ , $n \in N$.

Published on 17 Apr 2026 - 0:13

score 27 · Answer 7 · 2026-03-25 07:48:38

27

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what will be the $(t+1)$-th term in this summation expansion and why?

Published on 25 Mar 2026 - 7:48

score 76 · Answer 8 · 2026-04-15 08:46:50

76

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Prove this combinatorics summation tends to zero.

Published on 15 Apr 2026 - 8:46

score 1.2k · Answer 9 · 2026-04-17 11:42:59

1.2k

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Limit of sum $x^3+x^5+x^7+x^9+...)$

Published on 17 Apr 2026 - 11:42

score 75 · Answer 10 · 2026-04-13 19:34:26

75

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Why can a double sum be rearranged like this?

Published on 13 Apr 2026 - 19:34

score 272 · Answer 11 · 2026-04-16 05:41:12

272

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Prove that $\sum_{n=0}^{\infty} \frac{L_n(t)}{n!} = eJ_0(2\sqrt{t}) $ using Laplace transform

Published on 16 Apr 2026 - 5:41

score 82 · Answer 12 · 2026-04-14 15:23:51

82

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Find sum combinations of a number

Published on 14 Apr 2026 - 15:23

score 79 · Answer 13 · 2026-04-16 03:47:29

79

Views

Prove the following inequality for all $n \in \mathbb{N}$

Published on 16 Apr 2026 - 3:47

score 103 · Answer 14 · 2026-04-30 23:59:26

103

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Prove that $\sum_{i=1}^n\frac{\sum_{i'=1}^na_{i'}^p - a_i^p}{\sum_{i'=1}^na_{i'}^q - a_i^q}\le n\cdot\frac{\sum_{i=1}^na_i^p}{\sum_{i=1}^na_i^q}$.

Published on 30 Apr 2026 - 23:59

score 216 · Answer 15 · 2026-04-15 10:17:11

216

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Suppose that $K_1(x,y)$ and $K_2(x,y)$ are valid kernels prove that $K_1(x,y)K_2(x,y)$ is a valid kernel.

Published on 15 Apr 2026 - 10:17

List Question

Proof for Equation with binomial coefficient

Determine exactly $\sum\limits_{i=0}^\infty (-1)^i \frac1{3i+1}$

Proof that the sum of the reciprocals of primes diverges

Sum of $\cos\left(\frac{\pi n}N\right)\cot\left(\frac{\pi n}N\right)$

Rewriting a Derivative with Logs & Sums & a Scalar

$1 + 1/4 + 1/9 + 1/16 + .... + 1/n^2 < 2 - \frac{1}{n}$ for all $n \ge 2$ , $n \in N$.

what will be the $(t+1)$-th term in this summation expansion and why?

Prove this combinatorics summation tends to zero.

Limit of sum $x^3+x^5+x^7+x^9+...)$

Why can a double sum be rearranged like this?

Prove that $\sum_{n=0}^{\infty} \frac{L_n(t)}{n!} = eJ_0(2\sqrt{t}) $ using Laplace transform

Find sum combinations of a number

Prove the following inequality for all $n \in \mathbb{N}$

Prove that $\sum_{i=1}^n\frac{\sum_{i'=1}^na_{i'}^p - a_i^p}{\sum_{i'=1}^na_{i'}^q - a_i^q}\le n\cdot\frac{\sum_{i=1}^na_i^p}{\sum_{i=1}^na_i^q}$.

Suppose that $K_1(x,y)$ and $K_2(x,y)$ are valid kernels prove that $K_1(x,y)K_2(x,y)$ is a valid kernel.

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