Suppose , , , and…

MATHEMATICS · Multi-part · CBSE · Mathematics · Sets · Sets

Problem

Suppose U=Z+U = \mathbb{Z}^+ , P={x∈Z∣5≤x≤17}P = \{x \in \mathbb{Z} \mid 5 \le x \le 17\} , Q={x∈Z∣10≤x≤20}Q = \{x \in \mathbb{Z} \mid 10 \le x \le 20\} , and R={x∈Z∣15≤x≤23}R = \{x \in \mathbb{Z} \mid 15 \le x \le 23\} . (1) List the sets PP , QQ , and RR . (2) Find:
<b>i</b> P∩QP \cap Q<b>ii</b> P∩RP \cap R<b>iii</b> Q∩RQ \cap R
<b>iv</b> P∪QP \cup Q<b>v</b> P∪RP \cup R<b>vi</b> Q∪RQ \cup R
(3) Find:
<b>i</b> P∩Q∩RP \cap Q \cap R<b>ii</b> P∪Q∪RP \cup Q \cup R
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