Given that: $\xi = \{x : x \text{ is an integer and } 1 \le x \le 10\}$ \(A = \{x : x \text{ is a

Question

Given that: $\xi = \{x : x \text{ is an integer and } 1 \le x \le 10\}$ $A = \{x : x \text{ is a factor of } 10\}$ $B = \{x : x \text{ is a prime number}\}$ Write down $n(A \cap B)$. List the elements of $(A \cup B')$.

Accepted Answer

(a) $2$ (b) $A\cup B'=\{1,2,4,5,6,8,9,10\}$

Advanced Set Notation: Complements, Unions, and Intersections

Advanced Set Notation: Complements, Unions, and Intersections

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