MathematicsSetsWAEC
If P = {1, 3, 5, 7} and Q = {3, 6, 9}, find P ∪ Q.
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Answer: C. {1, 3, 5, 6, 7, 9}
The union lists every element once.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.
Mathematics · Sets
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