A) \[8\]
B) \[9\]
C) \[10\]
D) \[11\]
Correct Answer: B
Solution :
Given, \[n(A)=4,\,n(B)=5\] and \[n(A\cap B0=3,\] \[\therefore \] \[n[(A\times B)\cap (B\times A)]={{3}^{2}}=9\]You need to login to perform this action.
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