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There are six available colors. find the number of ways to color the unit cells of a 2 x 2 grid such that no two adjacent cells are of the same color. solve the problem in two ways: by considering the number of colors used and by coloring the squares one after another.

 Jul 16, 2021
 #1
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There are six available colors. find the number of ways to color the unit cells of a 2 x 2 grid such that no two adjacent cells are of the same color. solve the problem in two ways: by considering the number of colors used and by coloring the squares one after another.    

 

You have 4 cells.

You have 6 colors. 

Just put a different color in each cell. 

 Jul 16, 2021
 #2
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+1

I get 630

Rotations and reflections are classed as different.

 

 Jul 17, 2021

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