Multiple Choice Questions on Let A rsquo and B rsquo denotes the complements of A and B The set A B B A A B is equal to........... for NDA Exam Preparation

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Multiple Choice Questions

Let A rsquo and B rsquo denotes the complements of A and B The set A B B A A B is equal to...........

Mathematics (NDA) Set theory
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    Let  A’  and B’ denotes the complements of A and B.The set (A-B)?(B-A)?(A?B) is equal to?

    B’

    Incorrect Answer

    A’

    Incorrect Answer

    (A?B)

    Incorrect Answer

    (A?B)

    Correct Answer
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    Explanation:

    A-B is all element only in A

    B-A is all element only in B

    A?B common element

    (A-B)?(B-A)?(A?B) =  (A?B)

    By: bhavesh kumar singh
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