# New post in Summation

## Finite sum k*x^k

August 20th, 2022

## find sum of n terms of the sequence 1.3.(2^2) + 2.4.(3^2)+3.5.(4^2)+.......

November 4th, 2022

## Series into sigma notation

September 18th, 2022

## Proving $\sum_{k=1}^n\frac1{\sqrt k}<2\sqrt n$ by induction

November 28th, 2022

July 23rd, 2022

## Sum of finite series involving square roots

August 14th, 2022

## Show that $\sum \limits_{i=1}^n log(i)$ is O(n log n)

October 20th, 2022

## How to simplify this triple summation

August 14th, 2022

## The sum of all the odd numbers to infinity

August 10th, 2022

August 1st, 2022

August 1st, 2022

August 1st, 2022

March 13th, 2020

August 1st, 2022

## Sum of series of upto $(2n+1)$ terms

August 29th, 2020

June 10th, 2020

August 1st, 2022

## How to write sum notation for an array of 2D points

December 20th, 2020

March 8th, 2020

June 20th, 2020

August 1st, 2022

## Differentiation with Log and Summation operators

January 16th, 2020

August 1st, 2022

## Z-transform of $\sin{(n\frac{\pi}{2}(-1)^{n})}$

September 23rd, 2020

## Splitting a double summation

October 7th, 2021

August 1st, 2022

August 1st, 2022

August 1st, 2022

## How to proof linearity property of summations with induction

January 3rd, 2022