Given two sets A and B, is A−B = B−A? _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________
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Answer:
No
Step-by-step explanation:
Cause A-B is the set of all elements that are in A but NOT in B, and B-A is the set of all elements that are in B but NOT in A. Notice that A-B is always a subset of A and B-A is always a subset of B.