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.
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.