Four math clubs go to a conference and meet up for lunch. They introduce themselves to each other and shake hands. Every member of each club shakes hands with every member of the other three clubs; they do not shake their own hands and they do not shake hands with their own club members. How many handshakes take place?

Four math clubs go to a conference and meet up for lunch. They introduce themselves to each other and shake hands. Every member of each club shakes hands with every member of the other three clubs; they do not shake their own hands and they do not shake hands with their own club members. How many handshakes take place?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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