JOURNALSProblems and Solutions

An Electric Proof (Solved)

Summary: A well-known combinatorial identity is proved by computing the driving-point resistance between two vertices of an electrical network of 1-ohm resistors.

Classification: Primary, Discrete Mathematics; Secondary, Combinatorial Identities

Cecil C. Rousseau
Mathematical Sciences
The University of Memphis
373 Dunn Hall
Memphis, TN 38152-3240
e-mail: [email protected]
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