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Let A and B be two sets such that n(A) =...

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 xx B,` find A and B, where x, y and z are distinct elements.

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The correct Answer is:
A={x,y,z} and B={1,2}
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