Question

1.If A and B are any two sets, then n(A ⋃ B ) =_________

 a) n(A) + n(B) + n(A ⋂ B)  b) n(A) + n(B) − n(A ⋂ B)  c) n(A) - n(B) - n(A ⋂ B) d) n(A) - n(B) + n(A ⋂ B)

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Answer 1

Answer:

sorry i am comfeust its very very soory