1. Give a combinatorial proof of the following identity: S(n, n − 2) = (G) + ³ (7) where S(n, k) is a Stirling number of the second kind.
1. Give a combinatorial proof of the following identity: S(n, n − 2) = (G) + ³ (7) where S(n, k) is a Stirling number of the second kind.
Chapter9: Sequences, Probability And Counting Theory
Section9.6: Binomial Theorem
Problem 45SE: In the expansion of (5x+3y)n , each term has the form (nk)ankbk ,where k successively takes on the...
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![1. Give a combinatorial proof of the following identity:
S(n,n - 2)
=
(3) + ³(1).
where S(n, k) is a Stirling number of the second kind.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F274cc92e-40bc-47c4-8099-7c0a0e62a830%2Fabfebea6-5410-4054-a52b-8740f8f756cd%2F4iieti_processed.png&w=3840&q=75)
Transcribed Image Text:1. Give a combinatorial proof of the following identity:
S(n,n - 2)
=
(3) + ³(1).
where S(n, k) is a Stirling number of the second kind.
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