List questions from products

Published on 01 Jan 2015 - 15:30

220

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Changing a product of sums to sum of products

Published on 02 Oct 2019 - 7:55

38

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Deriving a product property

Published on 03 Oct 2019 - 12:12

68

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Calculate $((2^3+1)/(2^3-1))((3^3+1)/(3^3-1))...((10^3+1)/(10^3-1))$

Published on 05 Oct 2019 - 14:09

325

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prove that infinite product of discrete two point space under product topology is metrizable

Published on 07 Oct 2019 - 5:09

90

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A 9 times table finger trick

Published on 08 Oct 2019 - 17:04

88

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$AM-GM$-ish inequality

Published on 28 Mar 2026 - 23:33

154

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Evaluate product $\prod_{i=1}^{n}(\frac{i}{i+x})^{i}$

Published on 09 Oct 2019 - 20:21

114

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Find distribution of sum of ordered statistics using Laplace transform

Published on 10 Oct 2019 - 21:27

40

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$\prod_{k=1}^{100} ( k^2 /(k+1) )= 100!/101,$ right?

Published on 12 Oct 2019 - 15:07

58

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universal property of tensor product-the canonical map

Published on 27 Mar 2026 - 14:51

82

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Does the notation "$\frac{1}{n}\left(\frac{2\cdot3\cdot\,\cdots\,\cdot n}{n\cdot n\cdot\,\cdots\,\cdot n}\right)$" make sense for $n<5$?

Published on 19 Oct 2019 - 1:57

663

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In category theory, why do we define the product by its universal property the way we do?

Published on 20 Oct 2019 - 19:43

54

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Closed or approximate formula for a finite product

Published on 21 Oct 2019 - 9:26

116

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Product of sines to sum

Published on 27 Mar 2026 - 12:20

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New Year Maths 2015

Changing a product of sums to sum of products

Deriving a product property

Calculate $((2^3+1)/(2^3-1))((3^3+1)/(3^3-1))...((10^3+1)/(10^3-1))$

prove that infinite product of discrete two point space under product topology is metrizable

A 9 times table finger trick

$AM-GM$-ish inequality

Evaluate product $\prod_{i=1}^{n}(\frac{i}{i+x})^{i}$

Find distribution of sum of ordered statistics using Laplace transform

$\prod_{k=1}^{100} ( k^2 /(k+1) )= 100!/101,$ right?

universal property of tensor product-the canonical map

Does the notation "$\frac{1}{n}\left(\frac{2\cdot3\cdot\,\cdots\,\cdot n}{n\cdot n\cdot\,\cdots\,\cdot n}\right)$" make sense for $n<5$?

In category theory, why do we define the product by its universal property the way we do?

Closed or approximate formula for a finite product

Product of sines to sum

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