Newbetuts

How does one prove that $\frac{1}{2}\cdot\frac{3}{4}\cdots \frac{2n-1}{2n}\leq \frac{1}{\sqrt{3n+1}}?$

$ \tan 1^\circ \cdot \tan 2^\circ \cdot \tan 3^\circ \cdots \tan 89^\circ$

Maxima CAS: How to force log() into a product?

Can we express sum of products as product of sums?

Spectrum of infinite product of rings

Kronecker product and outer product confusion

Is this algebraic identity obvious? $\sum_{i=1}^n \prod_{j\neq i} {\lambda_j\over \lambda_j-\lambda_i}=1$

Evaluation of a product of sines [duplicate]

Evaluating the product $\prod\limits_{k=1}^{n}\cos\left(\frac{k\pi}{n}\right)$

Compute $\lim\limits_{n\to\infty} \prod\limits_2^n \left(1-\frac1{k^3}\right)$

Is there any way to define arithmetical multiplication as other thing than repeated addition?

Closed form expression for the product $\prod\limits_{k=1}^{n}\left(1 - \frac{1}{ak}\right)$

Why is there no explicit formula for the factorial?

Definition of the Infinite Cartesian Product

Trying to prove that $\sum_{j=2}^\infty \prod_{k=1}^j \frac{2 k}{j+k-1} = \pi$

Could there be an irrational number $x$ such that the product of $x$ and $\pi$ are rational?

An integration of product $(1-x^n)$

New posts in products

Prove that the dihedral group $D_4$ can not be written as a direct product of two groups

Finding $ \prod_{n=1}^{999}\sin\left(\frac{n \pi}{1999}\right)$ [closed]

How to interchange a sum and a product?

How does one prove that $\frac{1}{2}\cdot\frac{3}{4}\cdots \frac{2n-1}{2n}\leq \frac{1}{\sqrt{3n+1}}?$

$ \tan 1^\circ \cdot \tan 2^\circ \cdot \tan 3^\circ \cdots \tan 89^\circ$

Maxima CAS: How to force log() into a product?

Can we express sum of products as product of sums?

Spectrum of infinite product of rings

Kronecker product and outer product confusion

Is this algebraic identity obvious? $\sum_{i=1}^n \prod_{j\neq i} {\lambda_j\over \lambda_j-\lambda_i}=1$

Evaluation of a product of sines [duplicate]

Evaluating the product $\prod\limits_{k=1}^{n}\cos\left(\frac{k\pi}{n}\right)$

Compute $\lim\limits_{n\to\infty} \prod\limits_2^n \left(1-\frac1{k^3}\right)$

Is there any way to define arithmetical multiplication as other thing than repeated addition?

Closed form expression for the product $\prod\limits_{k=1}^{n}\left(1 - \frac{1}{ak}\right)$

Why is there no explicit formula for the factorial?

Definition of the Infinite Cartesian Product

Trying to prove that $\sum_{j=2}^\infty \prod_{k=1}^j \frac{2 k}{j+k-1} = \pi$

Could there be an irrational number $x$ such that the product of $x$ and $\pi$ are rational?

An integration of product $(1-x^n)$