If A={3,5,7,9,11}A = \{3, 5, 7, 9, 11\}A={3,5,7,9,11}, B={7,9,11,13}B = \{7, 9, 11, 13\}B={7,9,11,13}, C={11,13,15}C = \{11, 13, 15\}C={11,13,15}. Find (A∪B)∩(B∪C)(A \cup B) \cap (B \cup C)(A∪B)∩(B∪C).
Prove algebraically that A−B=A∩B′A - B = A \cap B'A−B=A∩B′.
Perform operations on sets including Union, Intersection, and Power Sets.