Prove the identity where the sum is over all nonnegative integers that sum to 4. !

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Prove the identity

п! Σ 4

where the sum is over all nonnegative integers that sum to 4.

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Probability With Applications and R

ISBN: 978-1118241257

1st edition

Authors: Robert P. Dobrow

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Question Posted: Oct 13, 2018 07:48 AM

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Prove the identity where the sum is over all nonnegative integers that sum to 4. !

Question:

п! Σ 4" ala2!аз!а,!" ai+a4=n

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Probability With Applications and R

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