Solving the Problem: ∑_(k=100)^200▒〖k^3〗

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SUMMARY

The discussion focuses on solving the summation problem ∑_(k=100)^200▒〖k^3〗. Participants suggest breaking down the problem into simpler components, specifically recommending to first calculate ∑_(k=100)^200▒ k(k-1)(k-2). This approach simplifies the calculation of the cubic summation by leveraging factorial-like expressions. The conversation emphasizes the importance of understanding sigma notation and its application in mathematical problems.

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Dlak1992
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So, I am doing my HW, got everything done except for 1 problem. I have been stuck looking for an example of how to do this, but my book does not have any examples.

The problem is: ∑_(k=100)^200▒〖k^3〗

If someone does not understand it, it is.

200 is on top of the sigma
K=100 on the bottom
and k^3 to the right.
 
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Welcome to PF!

Hi Dlak1992! Welcome to PF! :smile:

(try using the X2 and X2 icons just above the Reply box :wink:)

You may find it easier to do ∑k=100200 k(k-1)(k-2) first. :wink:
 

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