SOLUTION: List all elements of the set A ∩ B, where A = {n ∈ N | n = 2^n − 1} and B{n ∈ N | n = 2^n + 3}.

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Question 1016952: List all elements of the set A ∩ B, where A = {n ∈ N | n = 2^n − 1} and B{n ∈ N | n = 2^n + 3}.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
For any element to be in A ∩ B, there have to exist two natural numbers m and n such that or . This only happens when m = 3, n = 2, and the common element is 7. So A ∩ B = {7}.