n Σk. k=1 n = n. 2n-1 k

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.6: Permutations
Problem 4E
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14. Give a combinatorial proof that

 

n
Σk.
k=1
n
= n. 2n-1
k
Transcribed Image Text:n Σk. k=1 n = n. 2n-1 k
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