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

Weber asked Jun 3, 2023

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35 votes

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

Weber asked Jun 3, 2023

by Weber

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13 votes

Answer:

I think it's a hope this helps

Davidchuyaya answered Jun 9, 2023

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