Question

If A = { x: x N, x 10 } and B={ x: x W , x 6 }, find A B, A B, A- B and B-A.

Answer 1

Step-by-step explanation:

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ANSWER

Write the above sets in roster form

We have, A={1,2,3,4,5} and B={4,5,6,7}

From Ven-diagram, A−B={1,2,3} and B−A={6,7}

Clearly A−B

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=B−A