In how many different ways it can be done ?
Source:
October 3, 2010
geometrygeometric transformationrotationcalculusfunctionnumber theorytotient function
Problem Statement
The number or is to be assigned to each of the vertices of a regular polygon. In how many different ways can this be done (if we consider two assignments that can be obtained one from the other through rotation in the plane of the polygon to be identical)?