# New post in Closed-form

August 1st, 2022

June 9th, 2021

## Evaluate $\int_{0}^1 x^{p}(\log x)^q dx$

October 12th, 2020

## How to find the closed formula for $\sum _{i=0}^n {i q^i}$?

September 20th, 2020

## Closed form of: $\displaystyle \int_0^{\pi/2}x^{n}\ln{(\sin x)}dx$

September 29th, 2020

## How to derive the closed form of the sum of $kr^k$

August 31st, 2020

## How to find values of $f(m,k)=\prod\limits_{n=1}^{\infty}\left[\frac{(mn-k)^2}{(mn-k+1)(mn-k-1)}\right]$?

January 4th, 2020

## Infinite Product $\prod_{n=1}^\infty\left(1+\frac1{\pi^2n^2}\right)$

September 4th, 2020

April 16th, 2020

## Closed form integral $\int_b^c \frac{x^2}{\sqrt{(x-a)(x-b)(c-x)(d-x)}} dx$

February 18th, 2020

August 1st, 2022

August 1st, 2022

June 7th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

August 1st, 2022

## Closed form for the sum of even fibonacci numbers?

October 17th, 2020

August 1st, 2022

## Evaluate $\int\frac{1}{\sin(x-a)\sin(x-b)}\,dx$

October 28th, 2020

August 1st, 2022

August 1st, 2022

## Closed form for integral of integer powers of Sinc function

December 20th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

March 15th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022