If U={x:x∈N}, A={x:x=2n,n∈N} and B={x:x is a prime number}, then A – InterviewSolution

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1.	If U={x:x∈N}, A={x:x=2n,n∈N} and B={x:x is a prime number}, then A∩B is a set with cardinality ________.
Answer» $If U = {x : x \in N},$ $A = {x : x = 2 n, n \in N}$ and $B = {x : x is a prime number},$ then $A \cap B$ is a set with cardinality ________.

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