Question

If A & B are two disjoint sets then choose the correct
option -

(A) n (A U B ) = n ( A ) + n ( B )
(B) n ( A U B) = 0
(C) n( A U B) = n(A) - n( B )
(D) n( A U B) = n(A) × n( B )

Answer 1

Answer:

Option A

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Answer 2

Answer:

(B) n (A U B ) = 0

hope it helps u