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  • 25-03-2022
  • Mathematics
contestada

If X and Y are 2 finite sets such that n() = 9, n( XY) - 4 and n( XY) -15, then n() is
(A) 5
(B) 6
(C) 10
(D) 12​

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fbic4ever
fbic4ever fbic4ever
  • 25-03-2022

Answer:

I think it's a hope this helps

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