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Question

If A and B are sets, then A(BA) is


A

ϕ

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B

A

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C

B

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D

None of these

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Solution

The correct option is A

ϕ


Explanation for the correct option:

Given, A and B are 2 sets

From the Venn diagram, we can see that the set B-A contains no elements from the set A

Therefore, the intersection of the 2 sets A and B-A that is A(BA) will be a null set ϕ

Hence, Option ‘A’ is Correct.


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