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Intersection of projective varieties

Published on 26 Mar 2026 - 22:38

Coefficient of $x^k$ in the product of multiple polynomials

Published on 08 Jan 2023 - 19:02

How to prove the following discovery of Euler?

Published on 15 Jan 2023 - 22:18

Is it possible to evaluate $\prod_{j=1}^{m}\sin(\sqrt{j}x)$

Published on 16 Jan 2023 - 15:22

What computational shortcut finds the sum all possible products given any list of n random real numbers taken r at a time? Here's what I tried...

Published on 26 Mar 2026 - 23:10

Product of $\prod_{n=0}^{k-1} \frac{-1}{(4n+4)(4n+3)}$

Published on 22 Jan 2023 - 9:08

Help me to get deeper understanding of Euler's proof of his Arithmetical Theorem

Published on 03 Apr 2026 - 14:26

Clever ways to expand $\prod_{i=1}^{n}\left(1+\frac{n^2}{i^2}\right)\left(1+\frac{i^2}{n^2}\right)^\frac{n^2}{i^2}$?

Published on 02 Apr 2026 - 5:25

$\lim\limits_{x\to \infty}[f(x)-f(x-1)]\overset{?}{=}e$

Published on 30 Mar 2026 - 11:37

Which number is greater A or B?

Published on 30 Mar 2026 - 11:35