NCERT Exercise 1.4 Q9 - Sets
Question: Let A={3,6,9,12,15,18,21}, B={4,8,12,16,20}, C={2,4,6,8,10,12,14,16}, D={5,10,15,20}. Find the listed set differences.
Answer: A-B={3,6,9,15,18,21}; A-C={3,9,15,21}; A-D={3,6,9,12,18,21}; B-A={4,8,16,20}; C-A={2,4,8,10,14,16}; D-A={5,10,20}; B-C={20}; B-D={4,8,12,16}; C-B={2,6,10,14}; D-B={5,10,15}; C-D={2,4,6,8,12,14,16};...
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