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

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

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Knowledge Check

  • Let Z denote the set of all integers and A = { (a,b) : a^2 +3b^2 = 28 ,a,b in Z } and B= {(a,b ):a gt b, in Z} . Then the number of elements in A nn B is

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    D
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