Combinatorial Proofs of a Type of Binomial Identity

Hong Feng1, Zhizheng Zhang2
1Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, China
2Department of Mathematics, Luoyang Teachers’ College, Luoyang 4710022, China

Abstract

The purpose of this article is to give combinatorial proofs of some binomial identities which were given by Z. Zhang.