Given set $B = \{3, 4, 5\}$, we need to: i. Draw a Venn diagram based on an unspecified set A. Since A is not defined, it cannot be fully represented in a Venn diagram. ii. Find $A \cap B$, the intersection of A and B. iii. Find $A \cup B$, the union of A and B. iv. Find $(A \cap B)^c$, the complement of the intersection of A and B. We assume there is a Universal set given the context.
2025/7/16
1. Problem Description
Given set , we need to:
i. Draw a Venn diagram based on an unspecified set A. Since A is not defined, it cannot be fully represented in a Venn diagram.
ii. Find , the intersection of A and B.
iii. Find , the union of A and B.
iv. Find , the complement of the intersection of A and B. We assume there is a Universal set given the context.
2. Solution Steps
Since Set A is not defined, let's assume a general set A which has an intersection with B, i.e. .
Let's further assume a Universal Set .
i. Venn Diagram:
Draw two overlapping circles. Label one circle as A and the other as B. The set B contains the elements 3, 4, and
5. Therefore write 3, 4, and 5 inside circle B. The overlap between circles A and B represents $A \cap B$. The area of circle A outside the overlap represents the elements in A that are not in B ($A - B$). The area outside both circles but inside $U$ represents $(A \cup B)^c$.
ii. :
is the set of all elements that are in both A and B. Since A is undefined, the intersection cannot be explicitly found, but we can represent it generally as the set of elements common to both. In general, .
iii. :
is the set of all elements that are in A or B or both. So consists of all elements in A together with 3, 4, and
5. It's also not explicitly defined without knowing A.
iv. :
is the complement of , which consists of all elements in the universal set U that are not in . Formally, . Since A is undefined, it's not possible to explicitly find .
3. Final Answer
i. Venn Diagram: A Venn diagram can be drawn showing two overlapping circles labeled A and B, with elements 3, 4, and 5 inside circle B.
ii. : The intersection is a subset of .
iii. : consists of all elements in A along with the elements 3, 4, and
5.
iv. : is the set of all elements in the universal set U that are not in .