Correct Answer: Option C

Explanation

μ = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}

A = {3, 6, 9, 12, 15, 18}

B = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}

A ∩ B = {3, 9, 15}

There is an explanation video available below.

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