If R = [2, 4, 6, 7] and S = [1, 2, 4, 8], then
MATHEMATICS
WAEC 1995
If R = [2, 4, 6, 7] and S = [1, 2, 4, 8], then R∪S equal
- A. [1,2,4,6,7,8]
- B. [1,2,4,7,8]
- C. [1,4,7,8]
- D. [2,6,7]
Correct Answer: A. [1,2,4,6,7,8]
Explanation
R = {2, 4, 6, 7}; S = {1, 2, 4, 8}
R \(\cup\) S = {1, 2, 4, 6, 7, 8}
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