9. Let A and B be two sets such that n(A) = 3 and n(B) = 2. If(x, 1), (y, 2), (z, 1) are in A × B, find A and B, where x, y and z are distinct elements.
9. Let A and B be two sets such that n(A) = 3 and n(B) = 2. If(x, 1), (y, 2), (z, 1) are in A × B, find A and B, where x, y and z are distinct elements.
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