N denotes the set of natural numbers and N. denotes the set of non-zero natural numbers. R is the set of real numbers. For A a set, we denote by P(A) its power set. The set of prime numbers is denoted P. Answer the following questions. 4. Let Ak - {k - z|z € N} for k e N° et S = {A} {A2, A3, A4,. Give a description of the set nS and show that there exists a natural number m e N such that m e/ US. Is there another element of N that is not an element of US? Explain your answers.

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A: the set of natural numbers between 14 and 182

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