Q. 14.2( 112 Votes )

If X and Y

Answer :

Given-


n(X) = 17, n(Y) = 23, and n(X Y) = 38


We know that-


n(X Y) = n(X)+ n(Y) - n(X Y)


38 = 17+23 - n(X Y)


38 = 40 - n(X Y)


n(X Y) = 40-38


n(X Y) = 2


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