(A) If A and B are disjoint, then n(AB)=n(A) + n(B). (B) If n(AUB)=n(A) + n(B),then A...

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(A) If A and B are disjoint, then n(A∩B)=n(A) + n(B).
(B) If n(AUB)=n(A) + n(B),then A and Bare disjoint.
In Problem, discuss the validity of each statement. If the statement is always true, explain why. If not, give a counterexample.

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College Mathematics for Business Economics Life Sciences and Social Sciences

ISBN: 978-0321614001

12th edition

Authors: Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen

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Question Posted: Apr 14, 2016 07:53 AM

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(A) If A and B are disjoint, then n(AB)=n(A) + n(B). (B) If n(AUB)=n(A) + n(B),then A...

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A False A B is a subset of A so nA B nA In pro...View the full answer

College Mathematics for Business Economics Life Sciences and Social Sciences

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