A playground is being designed where children can interact with their friends in certain combinations. If there is 1 child, there can be 0 interactions. If there are 2 children, there can be 3 interactions. If there are 3 children, there can be 12 interactions. If there are 4 children, there can be 39 interactions. Which recursive equation represents the pattern?
I'm not exactly sure how you would create the equation but I can see the pattern is a = interactions 2 children = 1 child a + 3 , have x = 3 3 children = 2 children a + x^2 + x, 4 children = 2 children a + x^3 + x^2 + x 1 0 2 0+3^1 3 0+3^1+3^2 4 0+3^1+3^2+3^3
im stuck too what is the equationplease help is the only one im stuck with
help please
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