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(Set Operations and Relations LC)Given A = {1, 2, 5, 7} and B = {1, 3, 5, 7, 8}, find B – A. {2} {3, 8} {1, 5, 7} {1, 2, 3, 5, 7, 8}

Question

(Set Operations and Relations LC)Given A = {1, 2, 5, 7} and B = {1, 3, 5, 7, 8}, find B – A. {2} {3, 8} {1, 5, 7} {1, 2, 3, 5, 7, 8}

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Solution

The operation B - A means we are looking for the elements that are in set B but not in set A.

Step 1: Identify the elements in set B. They are {1, 3, 5, 7, 8}.

Step 2: Identify the elements in set A. They are {1, 2, 5, 7}.

Step 3: Find the elements that are in B but not in A. They are {3, 8}.

So, B - A = {3, 8}.

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