# Summation for calc II

Leah123rose
Member warned that some effort must be shown, not just described

## Homework Statement

(summation from 1 to 100) Σ (1/k) - (1/(k+1)) [/B]

## Homework Equations

Σc = cn
Σi = (n(n+1))/2[/B]

## The Attempt at a Solution

I can only find summation equations for variables in the numerator. I'm not sure how to even start this problem. [/B]

## Answers and Replies

Science Advisor
Homework Helper
So write out ##{1\over k} - {1\over k-1}## to start with ...

Science Advisor
Homework Helper
Or better: write out the first five terms and discover a pattern...

Science Advisor
Homework Helper
Oh, and read the guidelines . This post is not up to PF standards

Last edited by a moderator:
Leah123rose
Or better: write out the first five terms and discover a pattern...
That helped, thanks! Sorry my post is not up to standards, I'm a new member but will do better next time.

Science Advisor
Homework Helper
Okido !