ECZ 2018 · GCE Paper 1 — Sets
Given that E={1,2,3,4,5,6,7,8},A={1,2,3,4} and B={2,3,4,5,6}, list (A∪B)'.
- A. {1,7,8}
- B. {1,2,3,4,5,6}
- C. {5,6,7,8}
- D. {7,8}
Verified working — step 1
A∪B={1,2,3,4,5,6}The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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