If A and B both contain same number of elements and are finite sets then

If A and B both contain same number of elements and are fi

1.	If A and B both contain same number of elements and are finite sets then
A.	n(A È B) = n(A Ç B)
B.	n(A ~ B) = n(B ~ A)
C.	n(A D B) = n(B)
D.	n(A ~ B) = n(A)
Answer» C. n(A D B) = n(B)

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