Efficient Methods for Solving Summation Equations: Σ(1/k) - (1/(k+1))

  • #1
Leah123rose
5
2
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]
 
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  • #2
So write out ##{1\over k} - {1\over k-1}## to start with ...
 
  • #3
Or better: write out the first five terms and discover a pattern...
 
  • #4
Oh, and read the guidelines . This post is not up to PF standards

:wink:
 
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  • #5
BvU said:
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.
 
  • #6
Okido !
 
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