Q3 of 22 Page 2

If G= {7,8} and H = {5,4,2}, find G H and H G.


G H = { (7,5), (7,4), (7,2), (8,5), (8,4), (8,2)}
H G = { (5,7), (5,8), (4,7), (4,8), (2,7), (2,8)}

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If , Find the values of x and y.

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If the set A has 3 elements and the set B={3,4,5}, then find the number of elements in (AB).

4
State whether each of the following statements are true or false. If the statement is false, rewrite the given statement correctly.
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