Question

ifA={2,4,6,8,10}and B={3,6,9,12,15} find AB and B-A​

Answer 1

Answer:

1. AB

means A union B

hence A={2,4,6,8,10}

B={3,6,9,12,15}

hence A union B={2,3,4,6,8,9,10,12,15}

2. B-A

means B Intersection A

hence A intersection B= {3}

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