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Summation

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2 items for Summation
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This post has a impact factor of 13 and 828 pageviews

How to sum sin(n q) and cos(n q)?

This is a short how to about how to sum sin(n q) and cos(n q).

ross_tang 02 Sep 10
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This post has a quality rating of 3.5, base on 1 rating
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This post has a impact factor of 88 and 1920 pageviews

Evaluating summation involving binomial coefficients

I stumbled across this post, and I can't figure it out myself.

Evaluate:


 

I am not very sure how to handle this kind of problem. Thank you.

sciencolic 16 Jun 10 |1 answer
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ross_tang

Degree in Physics and Mathematics, Master in Physics
香港

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sciencolic

I love Physics, Mathematics and Science.
Japan