Question

Looking for a name for a particular product series: $\prod_{j=1}^n\frac{p_j + 1}{p_j}$

score 179 · Answer 1 · 2020-01-16 21:51:51

179

Views

Looking for a name for a particular product series: $\prod_{j=1}^n\frac{p_j + 1}{p_j}$

Published on 16 Jan 2020 - 21:51

score 42 · Answer 2 · 2020-01-18 09:03:42

42

Views

Evaluating a product limit

Published on 18 Jan 2020 - 9:03

score 57 · Answer 3 · 2020-01-18 21:36:05

57

Views

Correctness of definition of cartesian product of n sets

Published on 18 Jan 2020 - 21:36

score 28 · Answer 4 · 2026-03-26 11:07:09

28

Views

What happened to the $2x_2^2-2x_1^2 part$?

Published on 26 Mar 2026 - 11:07

score 295 · Answer 5 · 2026-03-29 20:01:22

295

Views

Is the product of two factorial always smaller than the factorial of the sum?

Published on 29 Mar 2026 - 20:01

score 38 · Answer 6 · 2020-01-23 17:57:23

38

Views

$f(x)=\prod_{j=1}^n(x-x_j)=0$ when $x=x_j$. But, how can a variable be equal to an object tied to the index?

Published on 23 Jan 2020 - 17:57

score 145 · Answer 7 · 2026-03-29 19:59:41

145

Views

Why is $\sum_{k=0}^{\infty} \frac{k!}{\prod_{j=0}^{k} \left(2j+3\right)} = 2-\frac{\pi}{2}$ and how is this solution derived?

Published on 29 Mar 2026 - 19:59

score 527 · Answer 8 · 2026-02-23 07:10:00

527

Views

Computation of $(\textbf{u}\cdot \nabla)\textbf{u}$ in the Navier stokes equation: inner or outer product?

Published on 23 Feb 2026 - 7:10

score 169 · Answer 9 · 2020-01-25 01:29:47

169

Views

Is this factorization of $a+b$ correct?

Published on 25 Jan 2020 - 1:29

score 34 · Answer 10 · 2020-01-25 17:10:52

34

Views

Product of sines whose arguments contain reciprocals of primes

Published on 25 Jan 2020 - 17:10

score 35 · Answer 11 · 2020-01-26 08:17:17

35

Views

$\prod_{I=0}^{24} \frac{n- i - 1}{n - i}$ have closed form?

Published on 26 Jan 2020 - 8:17

score 23 · Answer 12 · 2026-03-26 09:49:34

23

Views

Change of variable for products

Published on 26 Mar 2026 - 9:49

score 95 · Answer 13 · 2026-03-27 09:13:40

95

Views

For real $a$, $b$, $c$ in $(0,1)$, if $a+b+c=2$, then $\frac{a}{1-a}\times\frac{b}{1-b}\times\frac{c}{1-c}\geq 8$

Published on 27 Mar 2026 - 9:13

score 424 · Answer 14 · 2020-01-31 15:31:33

424

Views

How to determine places of precision needed when taking product of two numbers?

Published on 31 Jan 2020 - 15:31

score 253 · Answer 15 · 2020-01-31 23:21:44

253

Views

Symbol for the product of a series of matrices

Published on 31 Jan 2020 - 23:21

List Question

Looking for a name for a particular product series: $\prod_{j=1}^n\frac{p_j + 1}{p_j}$

Evaluating a product limit

Correctness of definition of cartesian product of n sets

What happened to the $2x_2^2-2x_1^2 part$?

Is the product of two factorial always smaller than the factorial of the sum?

$f(x)=\prod_{j=1}^n(x-x_j)=0$ when $x=x_j$. But, how can a variable be equal to an object tied to the index?

Why is $\sum_{k=0}^{\infty} \frac{k!}{\prod_{j=0}^{k} \left(2j+3\right)} = 2-\frac{\pi}{2}$ and how is this solution derived?

Computation of $(\textbf{u}\cdot \nabla)\textbf{u}$ in the Navier stokes equation: inner or outer product?

Is this factorization of $a+b$ correct?

Product of sines whose arguments contain reciprocals of primes

$\prod_{I=0}^{24} \frac{n- i - 1}{n - i}$ have closed form?

Change of variable for products

For real $a$, $b$, $c$ in $(0,1)$, if $a+b+c=2$, then $\frac{a}{1-a}\times\frac{b}{1-b}\times\frac{c}{1-c}\geq 8$

How to determine places of precision needed when taking product of two numbers?

Symbol for the product of a series of matrices

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