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Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.4: Fractional Expressions
Problem 70E
Related questions
Question
A graph G of order 12 has vertex set V(G) = {c1, c2, …, c12} for the twelve configurations in
Figure 1.4. A “move” on this checkerboard corresponds to moving a single coin to an
unoccupied square, where
(1) the gold coin can only be moved horizontally or diagonally,
(2) the silver coin can only be moved vertically or diagonally.
Two vertices ci and cj (i ≠ j) are adjacent if it is possible to move ci to cj by a single move.
(a) What vertices are adjacent to c1 in G?
(c) Draw the subgraph of G induced by {c2, c6, c9, c11}.

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