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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]
  • E. [2.4]
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Correct Answer: Option A
Explanation

R = {2, 4, 6, 7}; S = {1, 2, 4, 8}

R \(\cup\) S = {1, 2, 4, 6, 7, 8}

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