Q. 93.7( 104 Votes )

Let A and B be tw

Answer :

Given: n(A) = 3 and n(B) = 2 and If (x, 1), (y, 2), (z, 1) are in A × B.

By definition of Cartesian product of two non-empty Set P and Q:


P × Q = {(p, q): p Є P, q Є Q}

It means graphically as,

Hence, we see P = set of all first elements.


Q = set of all second elements.


(x, y, z) are elements of A and (1,2) are elements of B.


As n(A) = 3 and n(B) = 2 so, A = {x, y, z} and B = {1, 2}.

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